Home / 11,399.16-17,099.92-3,079.22

Finding the Fourth Proportional to 11,399.16, 17,099.92 and 3,079.22

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Solution

The fourth proportional to 11,399.16, 17,099.92 and 3,079.22 is: 4,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.16 : 17,099.92 = 3,079.22 : x
  2. Step 2: Convert to fraction form
    11,399.16/17,099.92 = 3,079.22/x
  3. Step 3: Cross multiply
    11,399.16x = 17,099.92 × 3,079.22
  4. Step 4: Simplify right side
    11,399.16x = 52,654,415.66
  5. Step 5: Solve for x
    x = 52,654,415.66/11,399.16
  6. Step 6: Final answer
    x = 4,619.15

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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.