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Finding the Fourth Proportional to 8,876.82, 12,250.11 and 6,191.97

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Solution

The fourth proportional to 8,876.82, 12,250.11 and 6,191.97 is: 8,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.82 : 12,250.11 = 6,191.97 : x
  2. Step 2: Convert to fraction form
    8,876.82/12,250.11 = 6,191.97/x
  3. Step 3: Cross multiply
    8,876.82x = 12,250.11 × 6,191.97
  4. Step 4: Simplify right side
    8,876.82x = 75,852,313.62
  5. Step 5: Solve for x
    x = 75,852,313.62/8,876.82
  6. Step 6: Final answer
    x = 8,544.99

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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.