Home / 12,371.45-18,558.92-4,052.14

Finding the Fourth Proportional to 12,371.45, 18,558.92 and 4,052.14

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Solution

The fourth proportional to 12,371.45, 18,558.92 and 4,052.14 is: 6,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.45 : 18,558.92 = 4,052.14 : x
  2. Step 2: Convert to fraction form
    12,371.45/18,558.92 = 4,052.14/x
  3. Step 3: Cross multiply
    12,371.45x = 18,558.92 × 4,052.14
  4. Step 4: Simplify right side
    12,371.45x = 75,203,342.09
  5. Step 5: Solve for x
    x = 75,203,342.09/12,371.45
  6. Step 6: Final answer
    x = 6,078.78

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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.