Home / 10,121.35-15,182.05-3,546.02

Finding the Fourth Proportional to 10,121.35, 15,182.05 and 3,546.02

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Solution

The fourth proportional to 10,121.35, 15,182.05 and 3,546.02 is: 5,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.35 : 15,182.05 = 3,546.02 : x
  2. Step 2: Convert to fraction form
    10,121.35/15,182.05 = 3,546.02/x
  3. Step 3: Cross multiply
    10,121.35x = 15,182.05 × 3,546.02
  4. Step 4: Simplify right side
    10,121.35x = 53,835,882.03
  5. Step 5: Solve for x
    x = 53,835,882.03/10,121.35
  6. Step 6: Final answer
    x = 5,319.04

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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.