Home / 11,196.80-16,796.14-3,405.68

Finding the Fourth Proportional to 11,196.80, 16,796.14 and 3,405.68

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Solution

The fourth proportional to 11,196.80, 16,796.14 and 3,405.68 is: 5,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.80 : 16,796.14 = 3,405.68 : x
  2. Step 2: Convert to fraction form
    11,196.80/16,796.14 = 3,405.68/x
  3. Step 3: Cross multiply
    11,196.80x = 16,796.14 × 3,405.68
  4. Step 4: Simplify right side
    11,196.80x = 57,202,278.08
  5. Step 5: Solve for x
    x = 57,202,278.08/11,196.80
  6. Step 6: Final answer
    x = 5,108.81

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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.