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Finding the Fourth Proportional to 8,561.67, 11,793.14 and 6,039.35

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Solution

The fourth proportional to 8,561.67, 11,793.14 and 6,039.35 is: 8,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.67 : 11,793.14 = 6,039.35 : x
  2. Step 2: Convert to fraction form
    8,561.67/11,793.14 = 6,039.35/x
  3. Step 3: Cross multiply
    8,561.67x = 11,793.14 × 6,039.35
  4. Step 4: Simplify right side
    8,561.67x = 71,222,810.90
  5. Step 5: Solve for x
    x = 71,222,810.90/8,561.67
  6. Step 6: Final answer
    x = 8,318.80

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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.