Home / 12,571.82-18,858.14-5,998.67

Finding the Fourth Proportional to 12,571.82, 18,858.14 and 5,998.67

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Solution

The fourth proportional to 12,571.82, 18,858.14 and 5,998.67 is: 8,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.82 : 18,858.14 = 5,998.67 : x
  2. Step 2: Convert to fraction form
    12,571.82/18,858.14 = 5,998.67/x
  3. Step 3: Cross multiply
    12,571.82x = 18,858.14 × 5,998.67
  4. Step 4: Simplify right side
    12,571.82x = 113,123,758.67
  5. Step 5: Solve for x
    x = 113,123,758.67/12,571.82
  6. Step 6: Final answer
    x = 8,998.20

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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.