Home / 12,251.36-16,906.20-6,662

Finding the Fourth Proportional to 12,251.36, 16,906.20 and 6,662

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Solution

The fourth proportional to 12,251.36, 16,906.20 and 6,662 is: 9,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.36 : 16,906.20 = 6,662 : x
  2. Step 2: Convert to fraction form
    12,251.36/16,906.20 = 6,662/x
  3. Step 3: Cross multiply
    12,251.36x = 16,906.20 × 6,662
  4. Step 4: Simplify right side
    12,251.36x = 112,629,104.40
  5. Step 5: Solve for x
    x = 112,629,104.40/12,251.36
  6. Step 6: Final answer
    x = 9,193.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.