Home / 11,150.24-16,728.60-6,983.60

Finding the Fourth Proportional to 11,150.24, 16,728.60 and 6,983.60

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Solution

The fourth proportional to 11,150.24, 16,728.60 and 6,983.60 is: 10,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.24 : 16,728.60 = 6,983.60 : x
  2. Step 2: Convert to fraction form
    11,150.24/16,728.60 = 6,983.60/x
  3. Step 3: Cross multiply
    11,150.24x = 16,728.60 × 6,983.60
  4. Step 4: Simplify right side
    11,150.24x = 116,825,850.96
  5. Step 5: Solve for x
    x = 116,825,850.96/11,150.24
  6. Step 6: Final answer
    x = 10,477.43

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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.