Home / 11,889.94-16,408.12-6,584.76

Finding the Fourth Proportional to 11,889.94, 16,408.12 and 6,584.76

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Solution

The fourth proportional to 11,889.94, 16,408.12 and 6,584.76 is: 9,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.94 : 16,408.12 = 6,584.76 : x
  2. Step 2: Convert to fraction form
    11,889.94/16,408.12 = 6,584.76/x
  3. Step 3: Cross multiply
    11,889.94x = 16,408.12 × 6,584.76
  4. Step 4: Simplify right side
    11,889.94x = 108,043,532.25
  5. Step 5: Solve for x
    x = 108,043,532.25/11,889.94
  6. Step 6: Final answer
    x = 9,086.97

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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.