Home / 10,149.52-15,222.48-2,754.55

Finding the Fourth Proportional to 10,149.52, 15,222.48 and 2,754.55

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Solution

The fourth proportional to 10,149.52, 15,222.48 and 2,754.55 is: 4,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.52 : 15,222.48 = 2,754.55 : x
  2. Step 2: Convert to fraction form
    10,149.52/15,222.48 = 2,754.55/x
  3. Step 3: Cross multiply
    10,149.52x = 15,222.48 × 2,754.55
  4. Step 4: Simplify right side
    10,149.52x = 41,931,062.44
  5. Step 5: Solve for x
    x = 41,931,062.44/10,149.52
  6. Step 6: Final answer
    x = 4,131.34

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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.