Practice and Quick Check: Ratios and Proportions

The ratio of WXZ to ZXY is 11:25. What is ZXY?

125

The lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400 cm. What is the length of the longest side in centimeters?

192

Which of the following are equivalent to the ratio 3ab:27ab? Select all that apply.

1:9, 9a:81a, and 2:18

What is the value of x in the proportion?

2

What is the value of x in the proportion?

2/3

John, Alana, and Jesus are sharing a bag of candy in the extended ratio 2:3:4 . If there are 63 candies in the bag, then how many will Alana get?

21

The ratio of the width to the length of a rectangle is 4.5 . If the area of the rectangle is 500 square centimeters, what is the length of the rectangle?

25

What is AD/AB in simplest form?

3

What is the value of x in the proportion?

3

What is slope of BE/ slope of AE in simplest form?

4

What is the value of x in the proportion?

4

The ratio of to is PQR to PQS is 5.9. What is RQS?

40

The sides of a triangle are in the extended ratio 2:6:7. If the perimeter of the triangle is 45 inches, then what is the length of the shortest side?

6

The measures of the angles of a triangle are in the extended ratio 17:16:12 . What is the measure of the largest angle?

68

Which of the following are equivalent to the ratio (2x-6):(6x-4)?

x-3:3x-2 and (4x-12):(12x-8)