Home / 7,691.22-11,532.74-3,984.26

Finding the Fourth Proportional to 7,691.22, 11,532.74 and 3,984.26

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Solution

The fourth proportional to 7,691.22, 11,532.74 and 3,984.26 is: 5,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.22 : 11,532.74 = 3,984.26 : x
  2. Step 2: Convert to fraction form
    7,691.22/11,532.74 = 3,984.26/x
  3. Step 3: Cross multiply
    7,691.22x = 11,532.74 × 3,984.26
  4. Step 4: Simplify right side
    7,691.22x = 45,949,357.09
  5. Step 5: Solve for x
    x = 45,949,357.09/7,691.22
  6. Step 6: Final answer
    x = 5,974.26

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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.