Home / 11,568.45-17,261.79-10,863.15

Finding the Fourth Proportional to 11,568.45, 17,261.79 and 10,863.15

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Solution

The fourth proportional to 11,568.45, 17,261.79 and 10,863.15 is: 16,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.45 : 17,261.79 = 10,863.15 : x
  2. Step 2: Convert to fraction form
    11,568.45/17,261.79 = 10,863.15/x
  3. Step 3: Cross multiply
    11,568.45x = 17,261.79 × 10,863.15
  4. Step 4: Simplify right side
    11,568.45x = 187,517,414.04
  5. Step 5: Solve for x
    x = 187,517,414.04/11,568.45
  6. Step 6: Final answer
    x = 16,209.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.