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Finding the Fourth Proportional to 6,086.18, 8,398.74 and 3,397.47

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Solution

The fourth proportional to 6,086.18, 8,398.74 and 3,397.47 is: 4,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.18 : 8,398.74 = 3,397.47 : x
  2. Step 2: Convert to fraction form
    6,086.18/8,398.74 = 3,397.47/x
  3. Step 3: Cross multiply
    6,086.18x = 8,398.74 × 3,397.47
  4. Step 4: Simplify right side
    6,086.18x = 28,534,467.19
  5. Step 5: Solve for x
    x = 28,534,467.19/6,086.18
  6. Step 6: Final answer
    x = 4,688.40

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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.