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Finding the Fourth Proportional to 11,404.17, 15,737.13 and 6,368.22

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Solution

The fourth proportional to 11,404.17, 15,737.13 and 6,368.22 is: 8,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,404.17 : 15,737.13 = 6,368.22 : x
  2. Step 2: Convert to fraction form
    11,404.17/15,737.13 = 6,368.22/x
  3. Step 3: Cross multiply
    11,404.17x = 15,737.13 × 6,368.22
  4. Step 4: Simplify right side
    11,404.17x = 100,217,506.01
  5. Step 5: Solve for x
    x = 100,217,506.01/11,404.17
  6. Step 6: Final answer
    x = 8,787.79

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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.