Home / 12,372.41-18,557.13-3,488.41

Finding the Fourth Proportional to 12,372.41, 18,557.13 and 3,488.41

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Solution

The fourth proportional to 12,372.41, 18,557.13 and 3,488.41 is: 5,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.41 : 18,557.13 = 3,488.41 : x
  2. Step 2: Convert to fraction form
    12,372.41/18,557.13 = 3,488.41/x
  3. Step 3: Cross multiply
    12,372.41x = 18,557.13 × 3,488.41
  4. Step 4: Simplify right side
    12,372.41x = 64,734,877.86
  5. Step 5: Solve for x
    x = 64,734,877.86/12,372.41
  6. Step 6: Final answer
    x = 5,232.20

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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.