Home / 8,198.92-11,314.52-4,662.15

Finding the Fourth Proportional to 8,198.92, 11,314.52 and 4,662.15

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Solution

The fourth proportional to 8,198.92, 11,314.52 and 4,662.15 is: 6,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.92 : 11,314.52 = 4,662.15 : x
  2. Step 2: Convert to fraction form
    8,198.92/11,314.52 = 4,662.15/x
  3. Step 3: Cross multiply
    8,198.92x = 11,314.52 × 4,662.15
  4. Step 4: Simplify right side
    8,198.92x = 52,749,989.42
  5. Step 5: Solve for x
    x = 52,749,989.42/8,198.92
  6. Step 6: Final answer
    x = 6,433.77

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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.