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Finding the Fourth Proportional to 8,635.92, 11,902.05 and 6,273.96

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Solution

The fourth proportional to 8,635.92, 11,902.05 and 6,273.96 is: 8,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.92 : 11,902.05 = 6,273.96 : x
  2. Step 2: Convert to fraction form
    8,635.92/11,902.05 = 6,273.96/x
  3. Step 3: Cross multiply
    8,635.92x = 11,902.05 × 6,273.96
  4. Step 4: Simplify right side
    8,635.92x = 74,672,985.62
  5. Step 5: Solve for x
    x = 74,672,985.62/8,635.92
  6. Step 6: Final answer
    x = 8,646.79

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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.