Home / 11,159.68-16,735.26-3,661.48

Finding the Fourth Proportional to 11,159.68, 16,735.26 and 3,661.48

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Solution

The fourth proportional to 11,159.68, 16,735.26 and 3,661.48 is: 5,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.68 : 16,735.26 = 3,661.48 : x
  2. Step 2: Convert to fraction form
    11,159.68/16,735.26 = 3,661.48/x
  3. Step 3: Cross multiply
    11,159.68x = 16,735.26 × 3,661.48
  4. Step 4: Simplify right side
    11,159.68x = 61,275,819.78
  5. Step 5: Solve for x
    x = 61,275,819.78/11,159.68
  6. Step 6: Final answer
    x = 5,490.82

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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.