Home / 8,188.92-11,299.74-4,832.76

Finding the Fourth Proportional to 8,188.92, 11,299.74 and 4,832.76

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Solution

The fourth proportional to 8,188.92, 11,299.74 and 4,832.76 is: 6,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.92 : 11,299.74 = 4,832.76 : x
  2. Step 2: Convert to fraction form
    8,188.92/11,299.74 = 4,832.76/x
  3. Step 3: Cross multiply
    8,188.92x = 11,299.74 × 4,832.76
  4. Step 4: Simplify right side
    8,188.92x = 54,608,931.48
  5. Step 5: Solve for x
    x = 54,608,931.48/8,188.92
  6. Step 6: Final answer
    x = 6,668.64

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Half scale
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Double 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.