Home / 10,132.72-15,198.80-3,207.04

Finding the Fourth Proportional to 10,132.72, 15,198.80 and 3,207.04

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Solution

The fourth proportional to 10,132.72, 15,198.80 and 3,207.04 is: 4,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.72 : 15,198.80 = 3,207.04 : x
  2. Step 2: Convert to fraction form
    10,132.72/15,198.80 = 3,207.04/x
  3. Step 3: Cross multiply
    10,132.72x = 15,198.80 × 3,207.04
  4. Step 4: Simplify right side
    10,132.72x = 48,743,159.55
  5. Step 5: Solve for x
    x = 48,743,159.55/10,132.72
  6. Step 6: Final answer
    x = 4,810.47

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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.