Home / 11,968.56-17,957.16-4,178.52

Finding the Fourth Proportional to 11,968.56, 17,957.16 and 4,178.52

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Solution

The fourth proportional to 11,968.56, 17,957.16 and 4,178.52 is: 6,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.56 : 17,957.16 = 4,178.52 : x
  2. Step 2: Convert to fraction form
    11,968.56/17,957.16 = 4,178.52/x
  3. Step 3: Cross multiply
    11,968.56x = 17,957.16 × 4,178.52
  4. Step 4: Simplify right side
    11,968.56x = 75,034,352.20
  5. Step 5: Solve for x
    x = 75,034,352.20/11,968.56
  6. Step 6: Final answer
    x = 6,269.29

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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.