Home / 11,942.73-16,481.03-6,638.04

Finding the Fourth Proportional to 11,942.73, 16,481.03 and 6,638.04

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Solution

The fourth proportional to 11,942.73, 16,481.03 and 6,638.04 is: 9,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.73 : 16,481.03 = 6,638.04 : x
  2. Step 2: Convert to fraction form
    11,942.73/16,481.03 = 6,638.04/x
  3. Step 3: Cross multiply
    11,942.73x = 16,481.03 × 6,638.04
  4. Step 4: Simplify right side
    11,942.73x = 109,401,703.19
  5. Step 5: Solve for x
    x = 109,401,703.19/11,942.73
  6. Step 6: Final answer
    x = 9,160.53

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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.