Home / 11,674.80-16,110.69-7,198.96

Finding the Fourth Proportional to 11,674.80, 16,110.69 and 7,198.96

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Solution

The fourth proportional to 11,674.80, 16,110.69 and 7,198.96 is: 9,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.80 : 16,110.69 = 7,198.96 : x
  2. Step 2: Convert to fraction form
    11,674.80/16,110.69 = 7,198.96/x
  3. Step 3: Cross multiply
    11,674.80x = 16,110.69 × 7,198.96
  4. Step 4: Simplify right side
    11,674.80x = 115,980,212.88
  5. Step 5: Solve for x
    x = 115,980,212.88/11,674.80
  6. Step 6: Final answer
    x = 9,934.24

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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.