7.1.1 Ratio and Proportion - Practice
1. The ratio of the side lengths of a quadrilateral is 2:7:8:12, and the perimeter is 522 cm. What is the measure of the shortest side?
2. Solve the proportion. = x x 5 20
3. Solve the proportion. + = − s s 5 9 16 5
4. Given that 12 x = 15 y , find the ratio of x to y in simplest form.
6. A scale model of a tower is 24 inches tall and 18 inches wide. If the height of the actual tower is 60 feet, what is its width?
5. A regulation-sized gymnasium is 80 feet wide and 100 feet long. If a scale model of the gymnasium is 12 inches long, how wide is the model?
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