Home / 11,786.28-17,680.05-3,021.27

Finding the Fourth Proportional to 11,786.28, 17,680.05 and 3,021.27

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Solution

The fourth proportional to 11,786.28, 17,680.05 and 3,021.27 is: 4,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.28 : 17,680.05 = 3,021.27 : x
  2. Step 2: Convert to fraction form
    11,786.28/17,680.05 = 3,021.27/x
  3. Step 3: Cross multiply
    11,786.28x = 17,680.05 × 3,021.27
  4. Step 4: Simplify right side
    11,786.28x = 53,416,204.66
  5. Step 5: Solve for x
    x = 53,416,204.66/11,786.28
  6. Step 6: Final answer
    x = 4,532.07

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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.