Home / 11,239.14-16,855.47-3,448.56

Finding the Fourth Proportional to 11,239.14, 16,855.47 and 3,448.56

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Solution

The fourth proportional to 11,239.14, 16,855.47 and 3,448.56 is: 5,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.14 : 16,855.47 = 3,448.56 : x
  2. Step 2: Convert to fraction form
    11,239.14/16,855.47 = 3,448.56/x
  3. Step 3: Cross multiply
    11,239.14x = 16,855.47 × 3,448.56
  4. Step 4: Simplify right side
    11,239.14x = 58,127,099.62
  5. Step 5: Solve for x
    x = 58,127,099.62/11,239.14
  6. Step 6: Final answer
    x = 5,171.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.