Home / 11,789.96-16,269.72-6,484.76

Finding the Fourth Proportional to 11,789.96, 16,269.72 and 6,484.76

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Solution

The fourth proportional to 11,789.96, 16,269.72 and 6,484.76 is: 8,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.96 : 16,269.72 = 6,484.76 : x
  2. Step 2: Convert to fraction form
    11,789.96/16,269.72 = 6,484.76/x
  3. Step 3: Cross multiply
    11,789.96x = 16,269.72 × 6,484.76
  4. Step 4: Simplify right side
    11,789.96x = 105,505,229.47
  5. Step 5: Solve for x
    x = 105,505,229.47/11,789.96
  6. Step 6: Final answer
    x = 8,948.74

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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.