Proportions
1)Fill in the missing number to complete the proportion. 4: = 8:4

2)The ratio of black cars to colored cars in the car park is 3 : 7 Which proportion of the cars in the car park are black?
  

3)Fill in the missing number to complete the proportion. /3 = 10/6

4)The two trapezoids are in proportion - they are similar. Which is the value of x?
  

5)Fill in the missing number to complete the proportion. :2 = 12:8

6)A coin is tossed several times and the ratio of heads to tails is 24 : 26. Which proportion of the tosses are tails?
  

7)Fill in the missing number to complete the proportion. :2 = 5:10

8)In a recipe, 3 cups of fruit serves 5 people. How many cups of fruit would serve 100 people?
  

9)Fill in the missing number to complete the proportion. 3/5=6/

10)Fill in the missing number to complete the proportion. 1:3 = 5:


  


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