Home / 11,968.54-17,961.01-4,177.35

Finding the Fourth Proportional to 11,968.54, 17,961.01 and 4,177.35

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Solution

The fourth proportional to 11,968.54, 17,961.01 and 4,177.35 is: 6,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.54 : 17,961.01 = 4,177.35 : x
  2. Step 2: Convert to fraction form
    11,968.54/17,961.01 = 4,177.35/x
  3. Step 3: Cross multiply
    11,968.54x = 17,961.01 × 4,177.35
  4. Step 4: Simplify right side
    11,968.54x = 75,029,414.68
  5. Step 5: Solve for x
    x = 75,029,414.68/11,968.54
  6. Step 6: Final answer
    x = 6,268.89

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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.