Home / 11,481.39-17,222.09-7,584.89

Finding the Fourth Proportional to 11,481.39, 17,222.09 and 7,584.89

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Solution

The fourth proportional to 11,481.39, 17,222.09 and 7,584.89 is: 11,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.39 : 17,222.09 = 7,584.89 : x
  2. Step 2: Convert to fraction form
    11,481.39/17,222.09 = 7,584.89/x
  3. Step 3: Cross multiply
    11,481.39x = 17,222.09 × 7,584.89
  4. Step 4: Simplify right side
    11,481.39x = 130,627,534.19
  5. Step 5: Solve for x
    x = 130,627,534.19/11,481.39
  6. Step 6: Final answer
    x = 11,377.33

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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.