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Finding the Fourth Proportional to 9,437.76, 13,020.13 and 6,251.76

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Solution

The fourth proportional to 9,437.76, 13,020.13 and 6,251.76 is: 8,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.76 : 13,020.13 = 6,251.76 : x
  2. Step 2: Convert to fraction form
    9,437.76/13,020.13 = 6,251.76/x
  3. Step 3: Cross multiply
    9,437.76x = 13,020.13 × 6,251.76
  4. Step 4: Simplify right side
    9,437.76x = 81,398,727.93
  5. Step 5: Solve for x
    x = 81,398,727.93/9,437.76
  6. Step 6: Final answer
    x = 8,624.79

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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.