Home / 7,169.20-9,891.76-4,183.33

Finding the Fourth Proportional to 7,169.20, 9,891.76 and 4,183.33

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Solution

The fourth proportional to 7,169.20, 9,891.76 and 4,183.33 is: 5,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.20 : 9,891.76 = 4,183.33 : x
  2. Step 2: Convert to fraction form
    7,169.20/9,891.76 = 4,183.33/x
  3. Step 3: Cross multiply
    7,169.20x = 9,891.76 × 4,183.33
  4. Step 4: Simplify right side
    7,169.20x = 41,380,496.36
  5. Step 5: Solve for x
    x = 41,380,496.36/7,169.20
  6. Step 6: Final answer
    x = 5,771.98

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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.