Home / 11,786.60-17,664.82-5,532.78

Finding the Fourth Proportional to 11,786.60, 17,664.82 and 5,532.78

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Solution

The fourth proportional to 11,786.60, 17,664.82 and 5,532.78 is: 8,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.60 : 17,664.82 = 5,532.78 : x
  2. Step 2: Convert to fraction form
    11,786.60/17,664.82 = 5,532.78/x
  3. Step 3: Cross multiply
    11,786.60x = 17,664.82 × 5,532.78
  4. Step 4: Simplify right side
    11,786.60x = 97,735,562.80
  5. Step 5: Solve for x
    x = 97,735,562.80/11,786.60
  6. Step 6: Final answer
    x = 8,292.09

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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.