Home / 11,480.19-17,218.02-3,158.06

Finding the Fourth Proportional to 11,480.19, 17,218.02 and 3,158.06

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Solution

The fourth proportional to 11,480.19, 17,218.02 and 3,158.06 is: 4,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.19 : 17,218.02 = 3,158.06 : x
  2. Step 2: Convert to fraction form
    11,480.19/17,218.02 = 3,158.06/x
  3. Step 3: Cross multiply
    11,480.19x = 17,218.02 × 3,158.06
  4. Step 4: Simplify right side
    11,480.19x = 54,375,540.24
  5. Step 5: Solve for x
    x = 54,375,540.24/11,480.19
  6. Step 6: Final answer
    x = 4,736.47

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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.