Home / 8,212.20-11,334.22-4,674.92

Finding the Fourth Proportional to 8,212.20, 11,334.22 and 4,674.92

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Solution

The fourth proportional to 8,212.20, 11,334.22 and 4,674.92 is: 6,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.20 : 11,334.22 = 4,674.92 : x
  2. Step 2: Convert to fraction form
    8,212.20/11,334.22 = 4,674.92/x
  3. Step 3: Cross multiply
    8,212.20x = 11,334.22 × 4,674.92
  4. Step 4: Simplify right side
    8,212.20x = 52,986,571.76
  5. Step 5: Solve for x
    x = 52,986,571.76/8,212.20
  6. Step 6: Final answer
    x = 6,452.18

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Half scale
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Double 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.