Home / 12,199.23-18,301.37-6,936.66

Finding the Fourth Proportional to 12,199.23, 18,301.37 and 6,936.66

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Solution

The fourth proportional to 12,199.23, 18,301.37 and 6,936.66 is: 10,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.23 : 18,301.37 = 6,936.66 : x
  2. Step 2: Convert to fraction form
    12,199.23/18,301.37 = 6,936.66/x
  3. Step 3: Cross multiply
    12,199.23x = 18,301.37 × 6,936.66
  4. Step 4: Simplify right side
    12,199.23x = 126,950,346.54
  5. Step 5: Solve for x
    x = 126,950,346.54/12,199.23
  6. Step 6: Final answer
    x = 10,406.42

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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.