Home / 11,578.42-15,974.40-6,542.02

Finding the Fourth Proportional to 11,578.42, 15,974.40 and 6,542.02

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Solution

The fourth proportional to 11,578.42, 15,974.40 and 6,542.02 is: 9,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.42 : 15,974.40 = 6,542.02 : x
  2. Step 2: Convert to fraction form
    11,578.42/15,974.40 = 6,542.02/x
  3. Step 3: Cross multiply
    11,578.42x = 15,974.40 × 6,542.02
  4. Step 4: Simplify right side
    11,578.42x = 104,504,844.29
  5. Step 5: Solve for x
    x = 104,504,844.29/11,578.42
  6. Step 6: Final answer
    x = 9,025.83

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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.