Home / 11,490.12-17,222.90-5,942.03

Finding the Fourth Proportional to 11,490.12, 17,222.90 and 5,942.03

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Solution

The fourth proportional to 11,490.12, 17,222.90 and 5,942.03 is: 8,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.12 : 17,222.90 = 5,942.03 : x
  2. Step 2: Convert to fraction form
    11,490.12/17,222.90 = 5,942.03/x
  3. Step 3: Cross multiply
    11,490.12x = 17,222.90 × 5,942.03
  4. Step 4: Simplify right side
    11,490.12x = 102,338,872.66
  5. Step 5: Solve for x
    x = 102,338,872.66/11,490.12
  6. Step 6: Final answer
    x = 8,906.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.