Home / 11,101.97-16,661.18-5,258.60

Finding the Fourth Proportional to 11,101.97, 16,661.18 and 5,258.60

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Solution

The fourth proportional to 11,101.97, 16,661.18 and 5,258.60 is: 7,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.97 : 16,661.18 = 5,258.60 : x
  2. Step 2: Convert to fraction form
    11,101.97/16,661.18 = 5,258.60/x
  3. Step 3: Cross multiply
    11,101.97x = 16,661.18 × 5,258.60
  4. Step 4: Simplify right side
    11,101.97x = 87,614,371.55
  5. Step 5: Solve for x
    x = 87,614,371.55/11,101.97
  6. Step 6: Final answer
    x = 7,891.79

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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.