Home / 11,672.49-16,107.89-6,367.19

Finding the Fourth Proportional to 11,672.49, 16,107.89 and 6,367.19

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Solution

The fourth proportional to 11,672.49, 16,107.89 and 6,367.19 is: 8,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.49 : 16,107.89 = 6,367.19 : x
  2. Step 2: Convert to fraction form
    11,672.49/16,107.89 = 6,367.19/x
  3. Step 3: Cross multiply
    11,672.49x = 16,107.89 × 6,367.19
  4. Step 4: Simplify right side
    11,672.49x = 102,562,004.56
  5. Step 5: Solve for x
    x = 102,562,004.56/11,672.49
  6. Step 6: Final answer
    x = 8,786.64

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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.