Home / 12,757.73-19,108.89-6,170.09

Finding the Fourth Proportional to 12,757.73, 19,108.89 and 6,170.09

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Solution

The fourth proportional to 12,757.73, 19,108.89 and 6,170.09 is: 9,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.73 : 19,108.89 = 6,170.09 : x
  2. Step 2: Convert to fraction form
    12,757.73/19,108.89 = 6,170.09/x
  3. Step 3: Cross multiply
    12,757.73x = 19,108.89 × 6,170.09
  4. Step 4: Simplify right side
    12,757.73x = 117,903,475.56
  5. Step 5: Solve for x
    x = 117,903,475.56/12,757.73
  6. Step 6: Final answer
    x = 9,241.73

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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.