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Finding the Fourth Proportional to 8,398.29, 12,597.18 and 3,464.17

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Solution

The fourth proportional to 8,398.29, 12,597.18 and 3,464.17 is: 5,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.29 : 12,597.18 = 3,464.17 : x
  2. Step 2: Convert to fraction form
    8,398.29/12,597.18 = 3,464.17/x
  3. Step 3: Cross multiply
    8,398.29x = 12,597.18 × 3,464.17
  4. Step 4: Simplify right side
    8,398.29x = 43,638,773.04
  5. Step 5: Solve for x
    x = 43,638,773.04/8,398.29
  6. Step 6: Final answer
    x = 5,196.15

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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.