Home / 10,722.44-16,086.92-5,174.75

Finding the Fourth Proportional to 10,722.44, 16,086.92 and 5,174.75

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Solution

The fourth proportional to 10,722.44, 16,086.92 and 5,174.75 is: 7,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.44 : 16,086.92 = 5,174.75 : x
  2. Step 2: Convert to fraction form
    10,722.44/16,086.92 = 5,174.75/x
  3. Step 3: Cross multiply
    10,722.44x = 16,086.92 × 5,174.75
  4. Step 4: Simplify right side
    10,722.44x = 83,245,682.96
  5. Step 5: Solve for x
    x = 83,245,682.96/10,722.44
  6. Step 6: Final answer
    x = 7,763.69

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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.