Home / 11,801.66-16,286.33-6,765.99

Finding the Fourth Proportional to 11,801.66, 16,286.33 and 6,765.99

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Solution

The fourth proportional to 11,801.66, 16,286.33 and 6,765.99 is: 9,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.66 : 16,286.33 = 6,765.99 : x
  2. Step 2: Convert to fraction form
    11,801.66/16,286.33 = 6,765.99/x
  3. Step 3: Cross multiply
    11,801.66x = 16,286.33 × 6,765.99
  4. Step 4: Simplify right side
    11,801.66x = 110,193,064.49
  5. Step 5: Solve for x
    x = 110,193,064.49/11,801.66
  6. Step 6: Final answer
    x = 9,337.09

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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.