Home / 11,787.06-16,251.03-9,654.75

Finding the Fourth Proportional to 11,787.06, 16,251.03 and 9,654.75

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Solution

The fourth proportional to 11,787.06, 16,251.03 and 9,654.75 is: 13,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.06 : 16,251.03 = 9,654.75 : x
  2. Step 2: Convert to fraction form
    11,787.06/16,251.03 = 9,654.75/x
  3. Step 3: Cross multiply
    11,787.06x = 16,251.03 × 9,654.75
  4. Step 4: Simplify right side
    11,787.06x = 156,899,631.89
  5. Step 5: Solve for x
    x = 156,899,631.89/11,787.06
  6. Step 6: Final answer
    x = 13,311.18

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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.