Home / 11,205.82-16,808.73-11,189.62

Finding the Fourth Proportional to 11,205.82, 16,808.73 and 11,189.62

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Solution

The fourth proportional to 11,205.82, 16,808.73 and 11,189.62 is: 16,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.82 : 16,808.73 = 11,189.62 : x
  2. Step 2: Convert to fraction form
    11,205.82/16,808.73 = 11,189.62/x
  3. Step 3: Cross multiply
    11,205.82x = 16,808.73 × 11,189.62
  4. Step 4: Simplify right side
    11,205.82x = 188,083,301.38
  5. Step 5: Solve for x
    x = 188,083,301.38/11,205.82
  6. Step 6: Final answer
    x = 16,784.43

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Similar ratio
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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.