Home / 11,936.68-16,476.44-8,589.20

Finding the Fourth Proportional to 11,936.68, 16,476.44 and 8,589.20

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Solution

The fourth proportional to 11,936.68, 16,476.44 and 8,589.20 is: 11,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.68 : 16,476.44 = 8,589.20 : x
  2. Step 2: Convert to fraction form
    11,936.68/16,476.44 = 8,589.20/x
  3. Step 3: Cross multiply
    11,936.68x = 16,476.44 × 8,589.20
  4. Step 4: Simplify right side
    11,936.68x = 141,519,438.45
  5. Step 5: Solve for x
    x = 141,519,438.45/11,936.68
  6. Step 6: Final answer
    x = 11,855.85

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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.