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Finding the Fourth Proportional to 10,487.76, 14,471.82 and 6,238.92

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Solution

The fourth proportional to 10,487.76, 14,471.82 and 6,238.92 is: 8,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.76 : 14,471.82 = 6,238.92 : x
  2. Step 2: Convert to fraction form
    10,487.76/14,471.82 = 6,238.92/x
  3. Step 3: Cross multiply
    10,487.76x = 14,471.82 × 6,238.92
  4. Step 4: Simplify right side
    10,487.76x = 90,288,527.23
  5. Step 5: Solve for x
    x = 90,288,527.23/10,487.76
  6. Step 6: Final answer
    x = 8,608.94

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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.