Home / 8,251.45-12,376.97-2,408.11

Finding the Fourth Proportional to 8,251.45, 12,376.97 and 2,408.11

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Solution

The fourth proportional to 8,251.45, 12,376.97 and 2,408.11 is: 3,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.45 : 12,376.97 = 2,408.11 : x
  2. Step 2: Convert to fraction form
    8,251.45/12,376.97 = 2,408.11/x
  3. Step 3: Cross multiply
    8,251.45x = 12,376.97 × 2,408.11
  4. Step 4: Simplify right side
    8,251.45x = 29,805,105.23
  5. Step 5: Solve for x
    x = 29,805,105.23/8,251.45
  6. Step 6: Final answer
    x = 3,612.11

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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.