Home / 11,854.97-17,782.46-3,540.83

Finding the Fourth Proportional to 11,854.97, 17,782.46 and 3,540.83

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Solution

The fourth proportional to 11,854.97, 17,782.46 and 3,540.83 is: 5,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.97 : 17,782.46 = 3,540.83 : x
  2. Step 2: Convert to fraction form
    11,854.97/17,782.46 = 3,540.83/x
  3. Step 3: Cross multiply
    11,854.97x = 17,782.46 × 3,540.83
  4. Step 4: Simplify right side
    11,854.97x = 62,964,561.23
  5. Step 5: Solve for x
    x = 62,964,561.23/11,854.97
  6. Step 6: Final answer
    x = 5,311.24

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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.