Home / 9,118.18-13,672.50-4,183.54

Finding the Fourth Proportional to 9,118.18, 13,672.50 and 4,183.54

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Solution

The fourth proportional to 9,118.18, 13,672.50 and 4,183.54 is: 6,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.18 : 13,672.50 = 4,183.54 : x
  2. Step 2: Convert to fraction form
    9,118.18/13,672.50 = 4,183.54/x
  3. Step 3: Cross multiply
    9,118.18x = 13,672.50 × 4,183.54
  4. Step 4: Simplify right side
    9,118.18x = 57,199,450.65
  5. Step 5: Solve for x
    x = 57,199,450.65/9,118.18
  6. Step 6: Final answer
    x = 6,273.12

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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.