Home / 10,422.46-15,630.42-3,027.43

Finding the Fourth Proportional to 10,422.46, 15,630.42 and 3,027.43

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Solution

The fourth proportional to 10,422.46, 15,630.42 and 3,027.43 is: 4,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.46 : 15,630.42 = 3,027.43 : x
  2. Step 2: Convert to fraction form
    10,422.46/15,630.42 = 3,027.43/x
  3. Step 3: Cross multiply
    10,422.46x = 15,630.42 × 3,027.43
  4. Step 4: Simplify right side
    10,422.46x = 47,320,002.42
  5. Step 5: Solve for x
    x = 47,320,002.42/10,422.46
  6. Step 6: Final answer
    x = 4,540.20

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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.