Home / 10,162.11-15,245.21-3,587.44

Finding the Fourth Proportional to 10,162.11, 15,245.21 and 3,587.44

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Solution

The fourth proportional to 10,162.11, 15,245.21 and 3,587.44 is: 5,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.11 : 15,245.21 = 3,587.44 : x
  2. Step 2: Convert to fraction form
    10,162.11/15,245.21 = 3,587.44/x
  3. Step 3: Cross multiply
    10,162.11x = 15,245.21 × 3,587.44
  4. Step 4: Simplify right side
    10,162.11x = 54,691,275.60
  5. Step 5: Solve for x
    x = 54,691,275.60/10,162.11
  6. Step 6: Final answer
    x = 5,381.88

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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.