Home / 11,422.03-17,135.07-4,030.78

Finding the Fourth Proportional to 11,422.03, 17,135.07 and 4,030.78

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Solution

The fourth proportional to 11,422.03, 17,135.07 and 4,030.78 is: 6,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.03 : 17,135.07 = 4,030.78 : x
  2. Step 2: Convert to fraction form
    11,422.03/17,135.07 = 4,030.78/x
  3. Step 3: Cross multiply
    11,422.03x = 17,135.07 × 4,030.78
  4. Step 4: Simplify right side
    11,422.03x = 69,067,697.45
  5. Step 5: Solve for x
    x = 69,067,697.45/11,422.03
  6. Step 6: Final answer
    x = 6,046.88

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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.