Home / 11,083.06-15,286.78-6,603.36

Finding the Fourth Proportional to 11,083.06, 15,286.78 and 6,603.36

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Solution

The fourth proportional to 11,083.06, 15,286.78 and 6,603.36 is: 9,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.06 : 15,286.78 = 6,603.36 : x
  2. Step 2: Convert to fraction form
    11,083.06/15,286.78 = 6,603.36/x
  3. Step 3: Cross multiply
    11,083.06x = 15,286.78 × 6,603.36
  4. Step 4: Simplify right side
    11,083.06x = 100,944,111.58
  5. Step 5: Solve for x
    x = 100,944,111.58/11,083.06
  6. Step 6: Final answer
    x = 9,107.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.