Home / 11,868.46-16,379.67-6,563.68

Finding the Fourth Proportional to 11,868.46, 16,379.67 and 6,563.68

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Solution

The fourth proportional to 11,868.46, 16,379.67 and 6,563.68 is: 9,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.46 : 16,379.67 = 6,563.68 : x
  2. Step 2: Convert to fraction form
    11,868.46/16,379.67 = 6,563.68/x
  3. Step 3: Cross multiply
    11,868.46x = 16,379.67 × 6,563.68
  4. Step 4: Simplify right side
    11,868.46x = 107,510,912.39
  5. Step 5: Solve for x
    x = 107,510,912.39/11,868.46
  6. Step 6: Final answer
    x = 9,058.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.