Home / 12,849.53-17,728.35-7,183.48

Finding the Fourth Proportional to 12,849.53, 17,728.35 and 7,183.48

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Solution

The fourth proportional to 12,849.53, 17,728.35 and 7,183.48 is: 9,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.53 : 17,728.35 = 7,183.48 : x
  2. Step 2: Convert to fraction form
    12,849.53/17,728.35 = 7,183.48/x
  3. Step 3: Cross multiply
    12,849.53x = 17,728.35 × 7,183.48
  4. Step 4: Simplify right side
    12,849.53x = 127,351,247.66
  5. Step 5: Solve for x
    x = 127,351,247.66/12,849.53
  6. Step 6: Final answer
    x = 9,910.97

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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.