Home / 11,010.28-16,515.42-4,772.20

Finding the Fourth Proportional to 11,010.28, 16,515.42 and 4,772.20

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Solution

The fourth proportional to 11,010.28, 16,515.42 and 4,772.20 is: 7,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.28 : 16,515.42 = 4,772.20 : x
  2. Step 2: Convert to fraction form
    11,010.28/16,515.42 = 4,772.20/x
  3. Step 3: Cross multiply
    11,010.28x = 16,515.42 × 4,772.20
  4. Step 4: Simplify right side
    11,010.28x = 78,814,887.32
  5. Step 5: Solve for x
    x = 78,814,887.32/11,010.28
  6. Step 6: Final answer
    x = 7,158.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.