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Finding the Fourth Proportional to 11,553.71, 15,944.12 and 6,248.53

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Solution

The fourth proportional to 11,553.71, 15,944.12 and 6,248.53 is: 8,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.71 : 15,944.12 = 6,248.53 : x
  2. Step 2: Convert to fraction form
    11,553.71/15,944.12 = 6,248.53/x
  3. Step 3: Cross multiply
    11,553.71x = 15,944.12 × 6,248.53
  4. Step 4: Simplify right side
    11,553.71x = 99,627,287.90
  5. Step 5: Solve for x
    x = 99,627,287.90/11,553.71
  6. Step 6: Final answer
    x = 8,622.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.