Home / 11,967.68-17,938.92-5,723.84

Finding the Fourth Proportional to 11,967.68, 17,938.92 and 5,723.84

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Solution

The fourth proportional to 11,967.68, 17,938.92 and 5,723.84 is: 8,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.68 : 17,938.92 = 5,723.84 : x
  2. Step 2: Convert to fraction form
    11,967.68/17,938.92 = 5,723.84/x
  3. Step 3: Cross multiply
    11,967.68x = 17,938.92 × 5,723.84
  4. Step 4: Simplify right side
    11,967.68x = 102,679,507.85
  5. Step 5: Solve for x
    x = 102,679,507.85/11,967.68
  6. Step 6: Final answer
    x = 8,579.73

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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.