Home / 11,993.45-17,988.14-3,226.41

Finding the Fourth Proportional to 11,993.45, 17,988.14 and 3,226.41

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Solution

The fourth proportional to 11,993.45, 17,988.14 and 3,226.41 is: 4,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.45 : 17,988.14 = 3,226.41 : x
  2. Step 2: Convert to fraction form
    11,993.45/17,988.14 = 3,226.41/x
  3. Step 3: Cross multiply
    11,993.45x = 17,988.14 × 3,226.41
  4. Step 4: Simplify right side
    11,993.45x = 58,037,122.84
  5. Step 5: Solve for x
    x = 58,037,122.84/11,993.45
  6. Step 6: Final answer
    x = 4,839.07

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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.