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Finding the Fourth Proportional to 12,337.92, 17,023.29 and 8,357.58

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Solution

The fourth proportional to 12,337.92, 17,023.29 and 8,357.58 is: 11,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.92 : 17,023.29 = 8,357.58 : x
  2. Step 2: Convert to fraction form
    12,337.92/17,023.29 = 8,357.58/x
  3. Step 3: Cross multiply
    12,337.92x = 17,023.29 × 8,357.58
  4. Step 4: Simplify right side
    12,337.92x = 142,273,508.04
  5. Step 5: Solve for x
    x = 142,273,508.04/12,337.92
  6. Step 6: Final answer
    x = 11,531.40

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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.