Home / 8,691.06-13,026.87-3,753.30

Finding the Fourth Proportional to 8,691.06, 13,026.87 and 3,753.30

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Solution

The fourth proportional to 8,691.06, 13,026.87 and 3,753.30 is: 5,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691.06 : 13,026.87 = 3,753.30 : x
  2. Step 2: Convert to fraction form
    8,691.06/13,026.87 = 3,753.30/x
  3. Step 3: Cross multiply
    8,691.06x = 13,026.87 × 3,753.30
  4. Step 4: Simplify right side
    8,691.06x = 48,893,751.17
  5. Step 5: Solve for x
    x = 48,893,751.17/8,691.06
  6. Step 6: Final answer
    x = 5,625.75

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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.