Home / 10,098.07-15,149.55-3,172.57

Finding the Fourth Proportional to 10,098.07, 15,149.55 and 3,172.57

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Solution

The fourth proportional to 10,098.07, 15,149.55 and 3,172.57 is: 4,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.07 : 15,149.55 = 3,172.57 : x
  2. Step 2: Convert to fraction form
    10,098.07/15,149.55 = 3,172.57/x
  3. Step 3: Cross multiply
    10,098.07x = 15,149.55 × 3,172.57
  4. Step 4: Simplify right side
    10,098.07x = 48,063,007.84
  5. Step 5: Solve for x
    x = 48,063,007.84/10,098.07
  6. Step 6: Final answer
    x = 4,759.62

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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.