Home / 11,942.29-16,480.70-6,906.03

Finding the Fourth Proportional to 11,942.29, 16,480.70 and 6,906.03

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Solution

The fourth proportional to 11,942.29, 16,480.70 and 6,906.03 is: 9,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.29 : 16,480.70 = 6,906.03 : x
  2. Step 2: Convert to fraction form
    11,942.29/16,480.70 = 6,906.03/x
  3. Step 3: Cross multiply
    11,942.29x = 16,480.70 × 6,906.03
  4. Step 4: Simplify right side
    11,942.29x = 113,816,208.62
  5. Step 5: Solve for x
    x = 113,816,208.62/11,942.29
  6. Step 6: Final answer
    x = 9,530.52

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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.