Home / 11,531.39-17,286.44-4,516.18

Finding the Fourth Proportional to 11,531.39, 17,286.44 and 4,516.18

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Solution

The fourth proportional to 11,531.39, 17,286.44 and 4,516.18 is: 6,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.39 : 17,286.44 = 4,516.18 : x
  2. Step 2: Convert to fraction form
    11,531.39/17,286.44 = 4,516.18/x
  3. Step 3: Cross multiply
    11,531.39x = 17,286.44 × 4,516.18
  4. Step 4: Simplify right side
    11,531.39x = 78,068,608.80
  5. Step 5: Solve for x
    x = 78,068,608.80/11,531.39
  6. Step 6: Final answer
    x = 6,770.10

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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.