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Finding the Fourth Proportional to 8,773.22, 12,110.46 and 5,939.21

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Solution

The fourth proportional to 8,773.22, 12,110.46 and 5,939.21 is: 8,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.22 : 12,110.46 = 5,939.21 : x
  2. Step 2: Convert to fraction form
    8,773.22/12,110.46 = 5,939.21/x
  3. Step 3: Cross multiply
    8,773.22x = 12,110.46 × 5,939.21
  4. Step 4: Simplify right side
    8,773.22x = 71,926,565.14
  5. Step 5: Solve for x
    x = 71,926,565.14/8,773.22
  6. Step 6: Final answer
    x = 8,198.42

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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.