Home / 12,252.67-18,375.16-3,930.83

Finding the Fourth Proportional to 12,252.67, 18,375.16 and 3,930.83

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Solution

The fourth proportional to 12,252.67, 18,375.16 and 3,930.83 is: 5,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.67 : 18,375.16 = 3,930.83 : x
  2. Step 2: Convert to fraction form
    12,252.67/18,375.16 = 3,930.83/x
  3. Step 3: Cross multiply
    12,252.67x = 18,375.16 × 3,930.83
  4. Step 4: Simplify right side
    12,252.67x = 72,229,682.29
  5. Step 5: Solve for x
    x = 72,229,682.29/12,252.67
  6. Step 6: Final answer
    x = 5,895.02

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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.