Home / 12,372.38-18,560.88-4,977.41

Finding the Fourth Proportional to 12,372.38, 18,560.88 and 4,977.41

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Solution

The fourth proportional to 12,372.38, 18,560.88 and 4,977.41 is: 7,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.38 : 18,560.88 = 4,977.41 : x
  2. Step 2: Convert to fraction form
    12,372.38/18,560.88 = 4,977.41/x
  3. Step 3: Cross multiply
    12,372.38x = 18,560.88 × 4,977.41
  4. Step 4: Simplify right side
    12,372.38x = 92,385,109.72
  5. Step 5: Solve for x
    x = 92,385,109.72/12,372.38
  6. Step 6: Final answer
    x = 7,467.04

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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.