Home / 12,166.35-18,247.44-3,399.24

Finding the Fourth Proportional to 12,166.35, 18,247.44 and 3,399.24

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Solution

The fourth proportional to 12,166.35, 18,247.44 and 3,399.24 is: 5,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.35 : 18,247.44 = 3,399.24 : x
  2. Step 2: Convert to fraction form
    12,166.35/18,247.44 = 3,399.24/x
  3. Step 3: Cross multiply
    12,166.35x = 18,247.44 × 3,399.24
  4. Step 4: Simplify right side
    12,166.35x = 62,027,427.95
  5. Step 5: Solve for x
    x = 62,027,427.95/12,166.35
  6. Step 6: Final answer
    x = 5,098.28

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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.