Home / 10,813.82-16,220.72-5,885.78

Finding the Fourth Proportional to 10,813.82, 16,220.72 and 5,885.78

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Solution

The fourth proportional to 10,813.82, 16,220.72 and 5,885.78 is: 8,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.82 : 16,220.72 = 5,885.78 : x
  2. Step 2: Convert to fraction form
    10,813.82/16,220.72 = 5,885.78/x
  3. Step 3: Cross multiply
    10,813.82x = 16,220.72 × 5,885.78
  4. Step 4: Simplify right side
    10,813.82x = 95,471,522.97
  5. Step 5: Solve for x
    x = 95,471,522.97/10,813.82
  6. Step 6: Final answer
    x = 8,828.66

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Double scale
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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.