Home / 12,017.75-18,033.11-5,861.75

Finding the Fourth Proportional to 12,017.75, 18,033.11 and 5,861.75

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Solution

The fourth proportional to 12,017.75, 18,033.11 and 5,861.75 is: 8,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.75 : 18,033.11 = 5,861.75 : x
  2. Step 2: Convert to fraction form
    12,017.75/18,033.11 = 5,861.75/x
  3. Step 3: Cross multiply
    12,017.75x = 18,033.11 × 5,861.75
  4. Step 4: Simplify right side
    12,017.75x = 105,705,553.23
  5. Step 5: Solve for x
    x = 105,705,553.23/12,017.75
  6. Step 6: Final answer
    x = 8,795.79

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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.