Home / 10,116.24-15,174.63-3,879.24

Finding the Fourth Proportional to 10,116.24, 15,174.63 and 3,879.24

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Solution

The fourth proportional to 10,116.24, 15,174.63 and 3,879.24 is: 5,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.24 : 15,174.63 = 3,879.24 : x
  2. Step 2: Convert to fraction form
    10,116.24/15,174.63 = 3,879.24/x
  3. Step 3: Cross multiply
    10,116.24x = 15,174.63 × 3,879.24
  4. Step 4: Simplify right side
    10,116.24x = 58,866,031.68
  5. Step 5: Solve for x
    x = 58,866,031.68/10,116.24
  6. Step 6: Final answer
    x = 5,818.96

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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.