Home / 8,074.97-11,143.58-4,538.18

Finding the Fourth Proportional to 8,074.97, 11,143.58 and 4,538.18

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Solution

The fourth proportional to 8,074.97, 11,143.58 and 4,538.18 is: 6,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.97 : 11,143.58 = 4,538.18 : x
  2. Step 2: Convert to fraction form
    8,074.97/11,143.58 = 4,538.18/x
  3. Step 3: Cross multiply
    8,074.97x = 11,143.58 × 4,538.18
  4. Step 4: Simplify right side
    8,074.97x = 50,571,571.88
  5. Step 5: Solve for x
    x = 50,571,571.88/8,074.97
  6. Step 6: Final answer
    x = 6,262.76

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Half scale
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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.