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Finding the Fourth Proportional to 9,063.72, 12,497.04 and 7,381.56

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Solution

The fourth proportional to 9,063.72, 12,497.04 and 7,381.56 is: 10,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.72 : 12,497.04 = 7,381.56 : x
  2. Step 2: Convert to fraction form
    9,063.72/12,497.04 = 7,381.56/x
  3. Step 3: Cross multiply
    9,063.72x = 12,497.04 × 7,381.56
  4. Step 4: Simplify right side
    9,063.72x = 92,247,650.58
  5. Step 5: Solve for x
    x = 92,247,650.58/9,063.72
  6. Step 6: Final answer
    x = 10,177.68

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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.