Home / 10,755.28-16,135.16-3,359.44

Finding the Fourth Proportional to 10,755.28, 16,135.16 and 3,359.44

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Solution

The fourth proportional to 10,755.28, 16,135.16 and 3,359.44 is: 5,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755.28 : 16,135.16 = 3,359.44 : x
  2. Step 2: Convert to fraction form
    10,755.28/16,135.16 = 3,359.44/x
  3. Step 3: Cross multiply
    10,755.28x = 16,135.16 × 3,359.44
  4. Step 4: Simplify right side
    10,755.28x = 54,205,101.91
  5. Step 5: Solve for x
    x = 54,205,101.91/10,755.28
  6. Step 6: Final answer
    x = 5,039.86

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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.