Home / 11,171.74-16,742.70-5,905.54

Finding the Fourth Proportional to 11,171.74, 16,742.70 and 5,905.54

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Solution

The fourth proportional to 11,171.74, 16,742.70 and 5,905.54 is: 8,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.74 : 16,742.70 = 5,905.54 : x
  2. Step 2: Convert to fraction form
    11,171.74/16,742.70 = 5,905.54/x
  3. Step 3: Cross multiply
    11,171.74x = 16,742.70 × 5,905.54
  4. Step 4: Simplify right side
    11,171.74x = 98,874,684.56
  5. Step 5: Solve for x
    x = 98,874,684.56/11,171.74
  6. Step 6: Final answer
    x = 8,850.43

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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.