Home / 10,150.56-15,231.60-3,998.88

Finding the Fourth Proportional to 10,150.56, 15,231.60 and 3,998.88

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Solution

The fourth proportional to 10,150.56, 15,231.60 and 3,998.88 is: 6,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.56 : 15,231.60 = 3,998.88 : x
  2. Step 2: Convert to fraction form
    10,150.56/15,231.60 = 3,998.88/x
  3. Step 3: Cross multiply
    10,150.56x = 15,231.60 × 3,998.88
  4. Step 4: Simplify right side
    10,150.56x = 60,909,340.61
  5. Step 5: Solve for x
    x = 60,909,340.61/10,150.56
  6. Step 6: Final answer
    x = 6,000.59

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1.5x scale

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.