Home / 9,321.48-13,982.66-2,747.73

Finding the Fourth Proportional to 9,321.48, 13,982.66 and 2,747.73

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Solution

The fourth proportional to 9,321.48, 13,982.66 and 2,747.73 is: 4,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.48 : 13,982.66 = 2,747.73 : x
  2. Step 2: Convert to fraction form
    9,321.48/13,982.66 = 2,747.73/x
  3. Step 3: Cross multiply
    9,321.48x = 13,982.66 × 2,747.73
  4. Step 4: Simplify right side
    9,321.48x = 38,420,574.36
  5. Step 5: Solve for x
    x = 38,420,574.36/9,321.48
  6. Step 6: Final answer
    x = 4,121.72

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1.5x scale

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.