Home / 12,231.52-18,334.84-4,825.80

Finding the Fourth Proportional to 12,231.52, 18,334.84 and 4,825.80

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Solution

The fourth proportional to 12,231.52, 18,334.84 and 4,825.80 is: 7,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.52 : 18,334.84 = 4,825.80 : x
  2. Step 2: Convert to fraction form
    12,231.52/18,334.84 = 4,825.80/x
  3. Step 3: Cross multiply
    12,231.52x = 18,334.84 × 4,825.80
  4. Step 4: Simplify right side
    12,231.52x = 88,480,270.87
  5. Step 5: Solve for x
    x = 88,480,270.87/12,231.52
  6. Step 6: Final answer
    x = 7,233.79

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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.