Home / 8,231.22-12,337.92-3,298.32

Finding the Fourth Proportional to 8,231.22, 12,337.92 and 3,298.32

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Solution

The fourth proportional to 8,231.22, 12,337.92 and 3,298.32 is: 4,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.22 : 12,337.92 = 3,298.32 : x
  2. Step 2: Convert to fraction form
    8,231.22/12,337.92 = 3,298.32/x
  3. Step 3: Cross multiply
    8,231.22x = 12,337.92 × 3,298.32
  4. Step 4: Simplify right side
    8,231.22x = 40,694,408.29
  5. Step 5: Solve for x
    x = 40,694,408.29/8,231.22
  6. Step 6: Final answer
    x = 4,943.91

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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.