Home / 8,196.75-11,311.56-4,470.75

Finding the Fourth Proportional to 8,196.75, 11,311.56 and 4,470.75

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Solution

The fourth proportional to 8,196.75, 11,311.56 and 4,470.75 is: 6,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.75 : 11,311.56 = 4,470.75 : x
  2. Step 2: Convert to fraction form
    8,196.75/11,311.56 = 4,470.75/x
  3. Step 3: Cross multiply
    8,196.75x = 11,311.56 × 4,470.75
  4. Step 4: Simplify right side
    8,196.75x = 50,571,156.87
  5. Step 5: Solve for x
    x = 50,571,156.87/8,196.75
  6. Step 6: Final answer
    x = 6,169.66

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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.