Home / 11,766.72-17,652.60-3,975.36

Finding the Fourth Proportional to 11,766.72, 17,652.60 and 3,975.36

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Solution

The fourth proportional to 11,766.72, 17,652.60 and 3,975.36 is: 5,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.72 : 17,652.60 = 3,975.36 : x
  2. Step 2: Convert to fraction form
    11,766.72/17,652.60 = 3,975.36/x
  3. Step 3: Cross multiply
    11,766.72x = 17,652.60 × 3,975.36
  4. Step 4: Simplify right side
    11,766.72x = 70,175,439.94
  5. Step 5: Solve for x
    x = 70,175,439.94/11,766.72
  6. Step 6: Final answer
    x = 5,963.89

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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.