Home / 11,249.73-15,389.71-11,202.35

Finding the Fourth Proportional to 11,249.73, 15,389.71 and 11,202.35

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Solution

The fourth proportional to 11,249.73, 15,389.71 and 11,202.35 is: 15,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.73 : 15,389.71 = 11,202.35 : x
  2. Step 2: Convert to fraction form
    11,249.73/15,389.71 = 11,202.35/x
  3. Step 3: Cross multiply
    11,249.73x = 15,389.71 × 11,202.35
  4. Step 4: Simplify right side
    11,249.73x = 172,400,928.35
  5. Step 5: Solve for x
    x = 172,400,928.35/11,249.73
  6. Step 6: Final answer
    x = 15,324.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.