Home / 7,375.32-11,014.11-6,481.08

Finding the Fourth Proportional to 7,375.32, 11,014.11 and 6,481.08

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Solution

The fourth proportional to 7,375.32, 11,014.11 and 6,481.08 is: 9,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.32 : 11,014.11 = 6,481.08 : x
  2. Step 2: Convert to fraction form
    7,375.32/11,014.11 = 6,481.08/x
  3. Step 3: Cross multiply
    7,375.32x = 11,014.11 × 6,481.08
  4. Step 4: Simplify right side
    7,375.32x = 71,383,328.04
  5. Step 5: Solve for x
    x = 71,383,328.04/7,375.32
  6. Step 6: Final answer
    x = 9,678.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.