Home / 11,889.97-16,408.20-6,584.67

Finding the Fourth Proportional to 11,889.97, 16,408.20 and 6,584.67

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Solution

The fourth proportional to 11,889.97, 16,408.20 and 6,584.67 is: 9,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.97 : 16,408.20 = 6,584.67 : x
  2. Step 2: Convert to fraction form
    11,889.97/16,408.20 = 6,584.67/x
  3. Step 3: Cross multiply
    11,889.97x = 16,408.20 × 6,584.67
  4. Step 4: Simplify right side
    11,889.97x = 108,042,606.99
  5. Step 5: Solve for x
    x = 108,042,606.99/11,889.97
  6. Step 6: Final answer
    x = 9,086.87

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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.