Home / 12,371.24-18,560.10-6,131

Finding the Fourth Proportional to 12,371.24, 18,560.10 and 6,131

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Solution

The fourth proportional to 12,371.24, 18,560.10 and 6,131 is: 9,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.24 : 18,560.10 = 6,131 : x
  2. Step 2: Convert to fraction form
    12,371.24/18,560.10 = 6,131/x
  3. Step 3: Cross multiply
    12,371.24x = 18,560.10 × 6,131
  4. Step 4: Simplify right side
    12,371.24x = 113,791,973.10
  5. Step 5: Solve for x
    x = 113,791,973.10/12,371.24
  6. Step 6: Final answer
    x = 9,198.11

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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.