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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