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Finding the Fourth Proportional to 6,230.78, 9,346.14 and 5,919.32

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Solution

The fourth proportional to 6,230.78, 9,346.14 and 5,919.32 is: 8,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,230.78 : 9,346.14 = 5,919.32 : x
  2. Step 2: Convert to fraction form
    6,230.78/9,346.14 = 5,919.32/x
  3. Step 3: Cross multiply
    6,230.78x = 9,346.14 × 5,919.32
  4. Step 4: Simplify right side
    6,230.78x = 55,322,793.42
  5. Step 5: Solve for x
    x = 55,322,793.42/6,230.78
  6. Step 6: Final answer
    x = 8,878.95

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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.