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Finding the Fourth Proportional to 11,373.86, 15,695.72 and 6,337.97

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Solution

The fourth proportional to 11,373.86, 15,695.72 and 6,337.97 is: 8,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.86 : 15,695.72 = 6,337.97 : x
  2. Step 2: Convert to fraction form
    11,373.86/15,695.72 = 6,337.97/x
  3. Step 3: Cross multiply
    11,373.86x = 15,695.72 × 6,337.97
  4. Step 4: Simplify right side
    11,373.86x = 99,479,002.49
  5. Step 5: Solve for x
    x = 99,479,002.49/11,373.86
  6. Step 6: Final answer
    x = 8,746.28

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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.