Home / 12,372.17-18,555.82-3,607.16

Finding the Fourth Proportional to 12,372.17, 18,555.82 and 3,607.16

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Solution

The fourth proportional to 12,372.17, 18,555.82 and 3,607.16 is: 5,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.17 : 18,555.82 = 3,607.16 : x
  2. Step 2: Convert to fraction form
    12,372.17/18,555.82 = 3,607.16/x
  3. Step 3: Cross multiply
    12,372.17x = 18,555.82 × 3,607.16
  4. Step 4: Simplify right side
    12,372.17x = 66,933,709.87
  5. Step 5: Solve for x
    x = 66,933,709.87/12,372.17
  6. Step 6: Final answer
    x = 5,410.02

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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.