Home / 10,148.38-15,223.79-3,573.20

Finding the Fourth Proportional to 10,148.38, 15,223.79 and 3,573.20

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Solution

The fourth proportional to 10,148.38, 15,223.79 and 3,573.20 is: 5,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.38 : 15,223.79 = 3,573.20 : x
  2. Step 2: Convert to fraction form
    10,148.38/15,223.79 = 3,573.20/x
  3. Step 3: Cross multiply
    10,148.38x = 15,223.79 × 3,573.20
  4. Step 4: Simplify right side
    10,148.38x = 54,397,693.42
  5. Step 5: Solve for x
    x = 54,397,693.42/10,148.38
  6. Step 6: Final answer
    x = 5,360.24

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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.