Home / 12,376.67-18,569.87-5,446.31

Finding the Fourth Proportional to 12,376.67, 18,569.87 and 5,446.31

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Solution

The fourth proportional to 12,376.67, 18,569.87 and 5,446.31 is: 8,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.67 : 18,569.87 = 5,446.31 : x
  2. Step 2: Convert to fraction form
    12,376.67/18,569.87 = 5,446.31/x
  3. Step 3: Cross multiply
    12,376.67x = 18,569.87 × 5,446.31
  4. Step 4: Simplify right side
    12,376.67x = 101,137,308.30
  5. Step 5: Solve for x
    x = 101,137,308.30/12,376.67
  6. Step 6: Final answer
    x = 8,171.61

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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.