Home / 11,516.94-15,894.66-6,481.32

Finding the Fourth Proportional to 11,516.94, 15,894.66 and 6,481.32

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Solution

The fourth proportional to 11,516.94, 15,894.66 and 6,481.32 is: 8,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.94 : 15,894.66 = 6,481.32 : x
  2. Step 2: Convert to fraction form
    11,516.94/15,894.66 = 6,481.32/x
  3. Step 3: Cross multiply
    11,516.94x = 15,894.66 × 6,481.32
  4. Step 4: Simplify right side
    11,516.94x = 103,018,377.75
  5. Step 5: Solve for x
    x = 103,018,377.75/11,516.94
  6. Step 6: Final answer
    x = 8,944.94

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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.