Home / 11,050.38-15,241.23-8,078.22

Finding the Fourth Proportional to 11,050.38, 15,241.23 and 8,078.22

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Solution

The fourth proportional to 11,050.38, 15,241.23 and 8,078.22 is: 11,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.38 : 15,241.23 = 8,078.22 : x
  2. Step 2: Convert to fraction form
    11,050.38/15,241.23 = 8,078.22/x
  3. Step 3: Cross multiply
    11,050.38x = 15,241.23 × 8,078.22
  4. Step 4: Simplify right side
    11,050.38x = 123,122,009.01
  5. Step 5: Solve for x
    x = 123,122,009.01/11,050.38
  6. Step 6: Final answer
    x = 11,141.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.