Home / 11,724.26-17,578.46-6,171.72

Finding the Fourth Proportional to 11,724.26, 17,578.46 and 6,171.72

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Solution

The fourth proportional to 11,724.26, 17,578.46 and 6,171.72 is: 9,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.26 : 17,578.46 = 6,171.72 : x
  2. Step 2: Convert to fraction form
    11,724.26/17,578.46 = 6,171.72/x
  3. Step 3: Cross multiply
    11,724.26x = 17,578.46 × 6,171.72
  4. Step 4: Simplify right side
    11,724.26x = 108,489,333.15
  5. Step 5: Solve for x
    x = 108,489,333.15/11,724.26
  6. Step 6: Final answer
    x = 9,253.41

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1.5x scale

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.