Home / 11,984.10-17,979.66-4,193.52

Finding the Fourth Proportional to 11,984.10, 17,979.66 and 4,193.52

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Solution

The fourth proportional to 11,984.10, 17,979.66 and 4,193.52 is: 6,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.10 : 17,979.66 = 4,193.52 : x
  2. Step 2: Convert to fraction form
    11,984.10/17,979.66 = 4,193.52/x
  3. Step 3: Cross multiply
    11,984.10x = 17,979.66 × 4,193.52
  4. Step 4: Simplify right side
    11,984.10x = 75,398,063.80
  5. Step 5: Solve for x
    x = 75,398,063.80/11,984.10
  6. Step 6: Final answer
    x = 6,291.51

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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.