Home / 8,065.50-11,132.16-4,481.69

Finding the Fourth Proportional to 8,065.50, 11,132.16 and 4,481.69

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Solution

The fourth proportional to 8,065.50, 11,132.16 and 4,481.69 is: 6,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.50 : 11,132.16 = 4,481.69 : x
  2. Step 2: Convert to fraction form
    8,065.50/11,132.16 = 4,481.69/x
  3. Step 3: Cross multiply
    8,065.50x = 11,132.16 × 4,481.69
  4. Step 4: Simplify right side
    8,065.50x = 49,890,834.49
  5. Step 5: Solve for x
    x = 49,890,834.49/8,065.50
  6. Step 6: Final answer
    x = 6,185.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.