Home / 7,414.54-11,110.73-6,867.79

Finding the Fourth Proportional to 7,414.54, 11,110.73 and 6,867.79

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Solution

The fourth proportional to 7,414.54, 11,110.73 and 6,867.79 is: 10,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.54 : 11,110.73 = 6,867.79 : x
  2. Step 2: Convert to fraction form
    7,414.54/11,110.73 = 6,867.79/x
  3. Step 3: Cross multiply
    7,414.54x = 11,110.73 × 6,867.79
  4. Step 4: Simplify right side
    7,414.54x = 76,306,160.39
  5. Step 5: Solve for x
    x = 76,306,160.39/7,414.54
  6. Step 6: Final answer
    x = 10,291.42

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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.