Home / 11,961.92-16,473.12-11,923.04

Finding the Fourth Proportional to 11,961.92, 16,473.12 and 11,923.04

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Solution

The fourth proportional to 11,961.92, 16,473.12 and 11,923.04 is: 16,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.92 : 16,473.12 = 11,923.04 : x
  2. Step 2: Convert to fraction form
    11,961.92/16,473.12 = 11,923.04/x
  3. Step 3: Cross multiply
    11,961.92x = 16,473.12 × 11,923.04
  4. Step 4: Simplify right side
    11,961.92x = 196,409,668.68
  5. Step 5: Solve for x
    x = 196,409,668.68/11,961.92
  6. Step 6: Final answer
    x = 16,419.58

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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.