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Finding the Fourth Proportional to 11,553.62, 15,944 and 6,248.44

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Solution

The fourth proportional to 11,553.62, 15,944 and 6,248.44 is: 8,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.62 : 15,944 = 6,248.44 : x
  2. Step 2: Convert to fraction form
    11,553.62/15,944 = 6,248.44/x
  3. Step 3: Cross multiply
    11,553.62x = 15,944 × 6,248.44
  4. Step 4: Simplify right side
    11,553.62x = 99,625,127.36
  5. Step 5: Solve for x
    x = 99,625,127.36/11,553.62
  6. Step 6: Final answer
    x = 8,622.85

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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.