Home / 11,672.70-16,107.49-6,367.41

Finding the Fourth Proportional to 11,672.70, 16,107.49 and 6,367.41

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Solution

The fourth proportional to 11,672.70, 16,107.49 and 6,367.41 is: 8,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.70 : 16,107.49 = 6,367.41 : x
  2. Step 2: Convert to fraction form
    11,672.70/16,107.49 = 6,367.41/x
  3. Step 3: Cross multiply
    11,672.70x = 16,107.49 × 6,367.41
  4. Step 4: Simplify right side
    11,672.70x = 102,562,912.36
  5. Step 5: Solve for x
    x = 102,562,912.36/11,672.70
  6. Step 6: Final answer
    x = 8,786.56

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1.5x scale

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.