Home / 9,176.56-13,756.68-3,979.60

Finding the Fourth Proportional to 9,176.56, 13,756.68 and 3,979.60

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Solution

The fourth proportional to 9,176.56, 13,756.68 and 3,979.60 is: 5,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.56 : 13,756.68 = 3,979.60 : x
  2. Step 2: Convert to fraction form
    9,176.56/13,756.68 = 3,979.60/x
  3. Step 3: Cross multiply
    9,176.56x = 13,756.68 × 3,979.60
  4. Step 4: Simplify right side
    9,176.56x = 54,746,083.73
  5. Step 5: Solve for x
    x = 54,746,083.73/9,176.56
  6. Step 6: Final answer
    x = 5,965.86

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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.