Home / 12,517.61-18,770.33-4,623.83

Finding the Fourth Proportional to 12,517.61, 18,770.33 and 4,623.83

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Solution

The fourth proportional to 12,517.61, 18,770.33 and 4,623.83 is: 6,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.61 : 18,770.33 = 4,623.83 : x
  2. Step 2: Convert to fraction form
    12,517.61/18,770.33 = 4,623.83/x
  3. Step 3: Cross multiply
    12,517.61x = 18,770.33 × 4,623.83
  4. Step 4: Simplify right side
    12,517.61x = 86,790,908.64
  5. Step 5: Solve for x
    x = 86,790,908.64/12,517.61
  6. Step 6: Final answer
    x = 6,933.51

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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.