Home / 10,787.75-16,181.63-2,996.57

Finding the Fourth Proportional to 10,787.75, 16,181.63 and 2,996.57

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Solution

The fourth proportional to 10,787.75, 16,181.63 and 2,996.57 is: 4,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.75 : 16,181.63 = 2,996.57 : x
  2. Step 2: Convert to fraction form
    10,787.75/16,181.63 = 2,996.57/x
  3. Step 3: Cross multiply
    10,787.75x = 16,181.63 × 2,996.57
  4. Step 4: Simplify right side
    10,787.75x = 48,489,387.01
  5. Step 5: Solve for x
    x = 48,489,387.01/10,787.75
  6. Step 6: Final answer
    x = 4,494.86

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.