Home / 9,231.18-12,738.99-5,694.37

Finding the Fourth Proportional to 9,231.18, 12,738.99 and 5,694.37

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Solution

The fourth proportional to 9,231.18, 12,738.99 and 5,694.37 is: 7,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.18 : 12,738.99 = 5,694.37 : x
  2. Step 2: Convert to fraction form
    9,231.18/12,738.99 = 5,694.37/x
  3. Step 3: Cross multiply
    9,231.18x = 12,738.99 × 5,694.37
  4. Step 4: Simplify right side
    9,231.18x = 72,540,522.49
  5. Step 5: Solve for x
    x = 72,540,522.49/9,231.18
  6. Step 6: Final answer
    x = 7,858.21

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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.