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Finding the Fourth Proportional to 8,396.15, 12,593.19 and 3,465.15

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Solution

The fourth proportional to 8,396.15, 12,593.19 and 3,465.15 is: 5,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.15 : 12,593.19 = 3,465.15 : x
  2. Step 2: Convert to fraction form
    8,396.15/12,593.19 = 3,465.15/x
  3. Step 3: Cross multiply
    8,396.15x = 12,593.19 × 3,465.15
  4. Step 4: Simplify right side
    8,396.15x = 43,637,292.33
  5. Step 5: Solve for x
    x = 43,637,292.33/8,396.15
  6. Step 6: Final answer
    x = 5,197.30

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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.