Home / 11,713.87-17,568.06-3,391.66

Finding the Fourth Proportional to 11,713.87, 17,568.06 and 3,391.66

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Solution

The fourth proportional to 11,713.87, 17,568.06 and 3,391.66 is: 5,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.87 : 17,568.06 = 3,391.66 : x
  2. Step 2: Convert to fraction form
    11,713.87/17,568.06 = 3,391.66/x
  3. Step 3: Cross multiply
    11,713.87x = 17,568.06 × 3,391.66
  4. Step 4: Simplify right side
    11,713.87x = 59,584,886.38
  5. Step 5: Solve for x
    x = 59,584,886.38/11,713.87
  6. Step 6: Final answer
    x = 5,086.70

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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.