Home / 11,922.36-17,885.21-3,601.43

Finding the Fourth Proportional to 11,922.36, 17,885.21 and 3,601.43

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Solution

The fourth proportional to 11,922.36, 17,885.21 and 3,601.43 is: 5,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.36 : 17,885.21 = 3,601.43 : x
  2. Step 2: Convert to fraction form
    11,922.36/17,885.21 = 3,601.43/x
  3. Step 3: Cross multiply
    11,922.36x = 17,885.21 × 3,601.43
  4. Step 4: Simplify right side
    11,922.36x = 64,412,331.85
  5. Step 5: Solve for x
    x = 64,412,331.85/11,922.36
  6. Step 6: Final answer
    x = 5,402.65

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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.