Home / 11,295.14-15,593.20-8,771.59

Finding the Fourth Proportional to 11,295.14, 15,593.20 and 8,771.59

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Solution

The fourth proportional to 11,295.14, 15,593.20 and 8,771.59 is: 12,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.14 : 15,593.20 = 8,771.59 : x
  2. Step 2: Convert to fraction form
    11,295.14/15,593.20 = 8,771.59/x
  3. Step 3: Cross multiply
    11,295.14x = 15,593.20 × 8,771.59
  4. Step 4: Simplify right side
    11,295.14x = 136,777,096.28
  5. Step 5: Solve for x
    x = 136,777,096.28/11,295.14
  6. Step 6: Final answer
    x = 12,109.37

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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.