Home / 11,778.43-17,663.97-3,456.37

Finding the Fourth Proportional to 11,778.43, 17,663.97 and 3,456.37

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Solution

The fourth proportional to 11,778.43, 17,663.97 and 3,456.37 is: 5,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.43 : 17,663.97 = 3,456.37 : x
  2. Step 2: Convert to fraction form
    11,778.43/17,663.97 = 3,456.37/x
  3. Step 3: Cross multiply
    11,778.43x = 17,663.97 × 3,456.37
  4. Step 4: Simplify right side
    11,778.43x = 61,053,215.99
  5. Step 5: Solve for x
    x = 61,053,215.99/11,778.43
  6. Step 6: Final answer
    x = 5,183.48

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1.5x scale

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.