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Finding the Fourth Proportional to 6,086.94, 8,399.76 and 3,398.24

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Solution

The fourth proportional to 6,086.94, 8,399.76 and 3,398.24 is: 4,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.94 : 8,399.76 = 3,398.24 : x
  2. Step 2: Convert to fraction form
    6,086.94/8,399.76 = 3,398.24/x
  3. Step 3: Cross multiply
    6,086.94x = 8,399.76 × 3,398.24
  4. Step 4: Simplify right side
    6,086.94x = 28,544,358.42
  5. Step 5: Solve for x
    x = 28,544,358.42/6,086.94
  6. Step 6: Final answer
    x = 4,689.44

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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.