Home / 11,183.06-15,424.56-6,936.57

Finding the Fourth Proportional to 11,183.06, 15,424.56 and 6,936.57

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Solution

The fourth proportional to 11,183.06, 15,424.56 and 6,936.57 is: 9,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.06 : 15,424.56 = 6,936.57 : x
  2. Step 2: Convert to fraction form
    11,183.06/15,424.56 = 6,936.57/x
  3. Step 3: Cross multiply
    11,183.06x = 15,424.56 × 6,936.57
  4. Step 4: Simplify right side
    11,183.06x = 106,993,540.16
  5. Step 5: Solve for x
    x = 106,993,540.16/11,183.06
  6. Step 6: Final answer
    x = 9,567.46

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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.