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Finding the Fourth Proportional to 8,540.08, 11,793.45 and 8,074.14

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Solution

The fourth proportional to 8,540.08, 11,793.45 and 8,074.14 is: 11,150.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.08 : 11,793.45 = 8,074.14 : x
  2. Step 2: Convert to fraction form
    8,540.08/11,793.45 = 8,074.14/x
  3. Step 3: Cross multiply
    8,540.08x = 11,793.45 × 8,074.14
  4. Step 4: Simplify right side
    8,540.08x = 95,222,010.61
  5. Step 5: Solve for x
    x = 95,222,010.61/8,540.08
  6. Step 6: Final answer
    x = 11,150.02

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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.