Home / 11,787.14-16,265.83-6,481.92

Finding the Fourth Proportional to 11,787.14, 16,265.83 and 6,481.92

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Solution

The fourth proportional to 11,787.14, 16,265.83 and 6,481.92 is: 8,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.14 : 16,265.83 = 6,481.92 : x
  2. Step 2: Convert to fraction form
    11,787.14/16,265.83 = 6,481.92/x
  3. Step 3: Cross multiply
    11,787.14x = 16,265.83 × 6,481.92
  4. Step 4: Simplify right side
    11,787.14x = 105,433,808.79
  5. Step 5: Solve for x
    x = 105,433,808.79/11,787.14
  6. Step 6: Final answer
    x = 8,944.82

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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.