Home / 11,414.98-15,753.39-6,379.56

Finding the Fourth Proportional to 11,414.98, 15,753.39 and 6,379.56

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Solution

The fourth proportional to 11,414.98, 15,753.39 and 6,379.56 is: 8,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.98 : 15,753.39 = 6,379.56 : x
  2. Step 2: Convert to fraction form
    11,414.98/15,753.39 = 6,379.56/x
  3. Step 3: Cross multiply
    11,414.98x = 15,753.39 × 6,379.56
  4. Step 4: Simplify right side
    11,414.98x = 100,499,672.79
  5. Step 5: Solve for x
    x = 100,499,672.79/11,414.98
  6. Step 6: Final answer
    x = 8,804.20

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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.