Home / 12,249.86-18,351.66-7,237.27

Finding the Fourth Proportional to 12,249.86, 18,351.66 and 7,237.27

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Solution

The fourth proportional to 12,249.86, 18,351.66 and 7,237.27 is: 10,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.86 : 18,351.66 = 7,237.27 : x
  2. Step 2: Convert to fraction form
    12,249.86/18,351.66 = 7,237.27/x
  3. Step 3: Cross multiply
    12,249.86x = 18,351.66 × 7,237.27
  4. Step 4: Simplify right side
    12,249.86x = 132,816,020.06
  5. Step 5: Solve for x
    x = 132,816,020.06/12,249.86
  6. Step 6: Final answer
    x = 10,842.25

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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.