Home / 8,616.15-12,933.33-4,236.66

Finding the Fourth Proportional to 8,616.15, 12,933.33 and 4,236.66

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Solution

The fourth proportional to 8,616.15, 12,933.33 and 4,236.66 is: 6,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.15 : 12,933.33 = 4,236.66 : x
  2. Step 2: Convert to fraction form
    8,616.15/12,933.33 = 4,236.66/x
  3. Step 3: Cross multiply
    8,616.15x = 12,933.33 × 4,236.66
  4. Step 4: Simplify right side
    8,616.15x = 54,794,121.88
  5. Step 5: Solve for x
    x = 54,794,121.88/8,616.15
  6. Step 6: Final answer
    x = 6,359.47

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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.