Home / 11,923.68-17,889.12-4,132.56

Finding the Fourth Proportional to 11,923.68, 17,889.12 and 4,132.56

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Solution

The fourth proportional to 11,923.68, 17,889.12 and 4,132.56 is: 6,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.68 : 17,889.12 = 4,132.56 : x
  2. Step 2: Convert to fraction form
    11,923.68/17,889.12 = 4,132.56/x
  3. Step 3: Cross multiply
    11,923.68x = 17,889.12 × 4,132.56
  4. Step 4: Simplify right side
    11,923.68x = 73,927,861.75
  5. Step 5: Solve for x
    x = 73,927,861.75/11,923.68
  6. Step 6: Final answer
    x = 6,200.09

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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.