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Finding the Fourth Proportional to 9,793.22, 13,524.73 and 8,387.78

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Solution

The fourth proportional to 9,793.22, 13,524.73 and 8,387.78 is: 11,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.22 : 13,524.73 = 8,387.78 : x
  2. Step 2: Convert to fraction form
    9,793.22/13,524.73 = 8,387.78/x
  3. Step 3: Cross multiply
    9,793.22x = 13,524.73 × 8,387.78
  4. Step 4: Simplify right side
    9,793.22x = 113,442,459.80
  5. Step 5: Solve for x
    x = 113,442,459.80/9,793.22
  6. Step 6: Final answer
    x = 11,583.78

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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.