Home / 8,327.85-11,491.78-4,790.38

Finding the Fourth Proportional to 8,327.85, 11,491.78 and 4,790.38

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Solution

The fourth proportional to 8,327.85, 11,491.78 and 4,790.38 is: 6,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.85 : 11,491.78 = 4,790.38 : x
  2. Step 2: Convert to fraction form
    8,327.85/11,491.78 = 4,790.38/x
  3. Step 3: Cross multiply
    8,327.85x = 11,491.78 × 4,790.38
  4. Step 4: Simplify right side
    8,327.85x = 55,049,993.08
  5. Step 5: Solve for x
    x = 55,049,993.08/8,327.85
  6. Step 6: Final answer
    x = 6,610.35

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Half scale
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Similar ratio
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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.