Home / 11,114.73-15,343.91-8,591.14

Finding the Fourth Proportional to 11,114.73, 15,343.91 and 8,591.14

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Solution

The fourth proportional to 11,114.73, 15,343.91 and 8,591.14 is: 11,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.73 : 15,343.91 = 8,591.14 : x
  2. Step 2: Convert to fraction form
    11,114.73/15,343.91 = 8,591.14/x
  3. Step 3: Cross multiply
    11,114.73x = 15,343.91 × 8,591.14
  4. Step 4: Simplify right side
    11,114.73x = 131,821,678.96
  5. Step 5: Solve for x
    x = 131,821,678.96/11,114.73
  6. Step 6: Final answer
    x = 11,860.09

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Double scale
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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.