Home / 10,162.08-15,244.92-3,142.02

Finding the Fourth Proportional to 10,162.08, 15,244.92 and 3,142.02

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Solution

The fourth proportional to 10,162.08, 15,244.92 and 3,142.02 is: 4,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.08 : 15,244.92 = 3,142.02 : x
  2. Step 2: Convert to fraction form
    10,162.08/15,244.92 = 3,142.02/x
  3. Step 3: Cross multiply
    10,162.08x = 15,244.92 × 3,142.02
  4. Step 4: Simplify right side
    10,162.08x = 47,899,843.54
  5. Step 5: Solve for x
    x = 47,899,843.54/10,162.08
  6. Step 6: Final answer
    x = 4,713.59

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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.