Home / 11,540.22-17,310.68-3,642.80

Finding the Fourth Proportional to 11,540.22, 17,310.68 and 3,642.80

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Solution

The fourth proportional to 11,540.22, 17,310.68 and 3,642.80 is: 5,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.22 : 17,310.68 = 3,642.80 : x
  2. Step 2: Convert to fraction form
    11,540.22/17,310.68 = 3,642.80/x
  3. Step 3: Cross multiply
    11,540.22x = 17,310.68 × 3,642.80
  4. Step 4: Simplify right side
    11,540.22x = 63,059,345.10
  5. Step 5: Solve for x
    x = 63,059,345.10/11,540.22
  6. Step 6: Final answer
    x = 5,464.31

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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.