Home / 11,213.75-15,474.89-6,177.85

Finding the Fourth Proportional to 11,213.75, 15,474.89 and 6,177.85

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Solution

The fourth proportional to 11,213.75, 15,474.89 and 6,177.85 is: 8,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.75 : 15,474.89 = 6,177.85 : x
  2. Step 2: Convert to fraction form
    11,213.75/15,474.89 = 6,177.85/x
  3. Step 3: Cross multiply
    11,213.75x = 15,474.89 × 6,177.85
  4. Step 4: Simplify right side
    11,213.75x = 95,601,502.78
  5. Step 5: Solve for x
    x = 95,601,502.78/11,213.75
  6. Step 6: Final answer
    x = 8,525.39

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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.