Home / 10,028.38-15,042.60-3,454.48

Finding the Fourth Proportional to 10,028.38, 15,042.60 and 3,454.48

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Solution

The fourth proportional to 10,028.38, 15,042.60 and 3,454.48 is: 5,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.38 : 15,042.60 = 3,454.48 : x
  2. Step 2: Convert to fraction form
    10,028.38/15,042.60 = 3,454.48/x
  3. Step 3: Cross multiply
    10,028.38x = 15,042.60 × 3,454.48
  4. Step 4: Simplify right side
    10,028.38x = 51,964,360.85
  5. Step 5: Solve for x
    x = 51,964,360.85/10,028.38
  6. Step 6: Final answer
    x = 5,181.73

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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.