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Finding the Fourth Proportional to 9,084.99, 12,538.80 and 6,249.99

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Solution

The fourth proportional to 9,084.99, 12,538.80 and 6,249.99 is: 8,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.99 : 12,538.80 = 6,249.99 : x
  2. Step 2: Convert to fraction form
    9,084.99/12,538.80 = 6,249.99/x
  3. Step 3: Cross multiply
    9,084.99x = 12,538.80 × 6,249.99
  4. Step 4: Simplify right side
    9,084.99x = 78,367,374.61
  5. Step 5: Solve for x
    x = 78,367,374.61/9,084.99
  6. Step 6: Final answer
    x = 8,626.03

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Similar ratio
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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.