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Finding the Fourth Proportional to 8,591.88, 12,894.38 and 6,092.84

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Solution

The fourth proportional to 8,591.88, 12,894.38 and 6,092.84 is: 9,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.88 : 12,894.38 = 6,092.84 : x
  2. Step 2: Convert to fraction form
    8,591.88/12,894.38 = 6,092.84/x
  3. Step 3: Cross multiply
    8,591.88x = 12,894.38 × 6,092.84
  4. Step 4: Simplify right side
    8,591.88x = 78,563,394.24
  5. Step 5: Solve for x
    x = 78,563,394.24/8,591.88
  6. Step 6: Final answer
    x = 9,143.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.