Home / 11,908.73-17,863.77-3,589.90

Finding the Fourth Proportional to 11,908.73, 17,863.77 and 3,589.90

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Solution

The fourth proportional to 11,908.73, 17,863.77 and 3,589.90 is: 5,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.73 : 17,863.77 = 3,589.90 : x
  2. Step 2: Convert to fraction form
    11,908.73/17,863.77 = 3,589.90/x
  3. Step 3: Cross multiply
    11,908.73x = 17,863.77 × 3,589.90
  4. Step 4: Simplify right side
    11,908.73x = 64,129,058.60
  5. Step 5: Solve for x
    x = 64,129,058.60/11,908.73
  6. Step 6: Final answer
    x = 5,385.05

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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.