Home / 11,753.72-16,219.11-6,716.94

Finding the Fourth Proportional to 11,753.72, 16,219.11 and 6,716.94

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Solution

The fourth proportional to 11,753.72, 16,219.11 and 6,716.94 is: 9,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.72 : 16,219.11 = 6,716.94 : x
  2. Step 2: Convert to fraction form
    11,753.72/16,219.11 = 6,716.94/x
  3. Step 3: Cross multiply
    11,753.72x = 16,219.11 × 6,716.94
  4. Step 4: Simplify right side
    11,753.72x = 108,942,788.72
  5. Step 5: Solve for x
    x = 108,942,788.72/11,753.72
  6. Step 6: Final answer
    x = 9,268.79

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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.