Home / 11,886.20-17,828.22-3,568.07

Finding the Fourth Proportional to 11,886.20, 17,828.22 and 3,568.07

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Solution

The fourth proportional to 11,886.20, 17,828.22 and 3,568.07 is: 5,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.20 : 17,828.22 = 3,568.07 : x
  2. Step 2: Convert to fraction form
    11,886.20/17,828.22 = 3,568.07/x
  3. Step 3: Cross multiply
    11,886.20x = 17,828.22 × 3,568.07
  4. Step 4: Simplify right side
    11,886.20x = 63,612,247.79
  5. Step 5: Solve for x
    x = 63,612,247.79/11,886.20
  6. Step 6: Final answer
    x = 5,351.78

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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.