Home / 7,480.82-11,206.86-4,183.92

Finding the Fourth Proportional to 7,480.82, 11,206.86 and 4,183.92

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Solution

The fourth proportional to 7,480.82, 11,206.86 and 4,183.92 is: 6,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.82 : 11,206.86 = 4,183.92 : x
  2. Step 2: Convert to fraction form
    7,480.82/11,206.86 = 4,183.92/x
  3. Step 3: Cross multiply
    7,480.82x = 11,206.86 × 4,183.92
  4. Step 4: Simplify right side
    7,480.82x = 46,888,605.69
  5. Step 5: Solve for x
    x = 46,888,605.69/7,480.82
  6. Step 6: Final answer
    x = 6,267.85

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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.