Home / 11,701.28-17,551.98-3,910.07

Finding the Fourth Proportional to 11,701.28, 17,551.98 and 3,910.07

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Solution

The fourth proportional to 11,701.28, 17,551.98 and 3,910.07 is: 5,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.28 : 17,551.98 = 3,910.07 : x
  2. Step 2: Convert to fraction form
    11,701.28/17,551.98 = 3,910.07/x
  3. Step 3: Cross multiply
    11,701.28x = 17,551.98 × 3,910.07
  4. Step 4: Simplify right side
    11,701.28x = 68,629,382.68
  5. Step 5: Solve for x
    x = 68,629,382.68/11,701.28
  6. Step 6: Final answer
    x = 5,865.12

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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.