Home / 8,234.88-11,375.04-6,135.36

Finding the Fourth Proportional to 8,234.88, 11,375.04 and 6,135.36

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Solution

The fourth proportional to 8,234.88, 11,375.04 and 6,135.36 is: 8,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.88 : 11,375.04 = 6,135.36 : x
  2. Step 2: Convert to fraction form
    8,234.88/11,375.04 = 6,135.36/x
  3. Step 3: Cross multiply
    8,234.88x = 11,375.04 × 6,135.36
  4. Step 4: Simplify right side
    8,234.88x = 69,789,965.41
  5. Step 5: Solve for x
    x = 69,789,965.41/8,234.88
  6. Step 6: Final answer
    x = 8,474.92

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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.