Home / 11,796.89-16,279.77-6,491.66

Finding the Fourth Proportional to 11,796.89, 16,279.77 and 6,491.66

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Solution

The fourth proportional to 11,796.89, 16,279.77 and 6,491.66 is: 8,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.89 : 16,279.77 = 6,491.66 : x
  2. Step 2: Convert to fraction form
    11,796.89/16,279.77 = 6,491.66/x
  3. Step 3: Cross multiply
    11,796.89x = 16,279.77 × 6,491.66
  4. Step 4: Simplify right side
    11,796.89x = 105,682,731.72
  5. Step 5: Solve for x
    x = 105,682,731.72/11,796.89
  6. Step 6: Final answer
    x = 8,958.52

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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.