Home / 12,328.44-18,468.22-5,745.57

Finding the Fourth Proportional to 12,328.44, 18,468.22 and 5,745.57

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Solution

The fourth proportional to 12,328.44, 18,468.22 and 5,745.57 is: 8,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.44 : 18,468.22 = 5,745.57 : x
  2. Step 2: Convert to fraction form
    12,328.44/18,468.22 = 5,745.57/x
  3. Step 3: Cross multiply
    12,328.44x = 18,468.22 × 5,745.57
  4. Step 4: Simplify right side
    12,328.44x = 106,110,450.79
  5. Step 5: Solve for x
    x = 106,110,450.79/12,328.44
  6. Step 6: Final answer
    x = 8,606.96

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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.