Home / 12,481.37-18,725.25-3,716.30

Finding the Fourth Proportional to 12,481.37, 18,725.25 and 3,716.30

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Solution

The fourth proportional to 12,481.37, 18,725.25 and 3,716.30 is: 5,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.37 : 18,725.25 = 3,716.30 : x
  2. Step 2: Convert to fraction form
    12,481.37/18,725.25 = 3,716.30/x
  3. Step 3: Cross multiply
    12,481.37x = 18,725.25 × 3,716.30
  4. Step 4: Simplify right side
    12,481.37x = 69,588,552.95
  5. Step 5: Solve for x
    x = 69,588,552.95/12,481.37
  6. Step 6: Final answer
    x = 5,575.40

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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.