Home / 10,097.97-15,149.36-3,172.47

Finding the Fourth Proportional to 10,097.97, 15,149.36 and 3,172.47

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Solution

The fourth proportional to 10,097.97, 15,149.36 and 3,172.47 is: 4,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.97 : 15,149.36 = 3,172.47 : x
  2. Step 2: Convert to fraction form
    10,097.97/15,149.36 = 3,172.47/x
  3. Step 3: Cross multiply
    10,097.97x = 15,149.36 × 3,172.47
  4. Step 4: Simplify right side
    10,097.97x = 48,060,874.26
  5. Step 5: Solve for x
    x = 48,060,874.26/10,097.97
  6. Step 6: Final answer
    x = 4,759.46

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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.