Home / 11,801.15-16,286.85-6,763.76

Finding the Fourth Proportional to 11,801.15, 16,286.85 and 6,763.76

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Solution

The fourth proportional to 11,801.15, 16,286.85 and 6,763.76 is: 9,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.15 : 16,286.85 = 6,763.76 : x
  2. Step 2: Convert to fraction form
    11,801.15/16,286.85 = 6,763.76/x
  3. Step 3: Cross multiply
    11,801.15x = 16,286.85 × 6,763.76
  4. Step 4: Simplify right side
    11,801.15x = 110,160,263.12
  5. Step 5: Solve for x
    x = 110,160,263.12/11,801.15
  6. Step 6: Final answer
    x = 9,334.71

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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.