Home / 12,725.58-19,090.46-3,958.45

Finding the Fourth Proportional to 12,725.58, 19,090.46 and 3,958.45

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Solution

The fourth proportional to 12,725.58, 19,090.46 and 3,958.45 is: 5,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.58 : 19,090.46 = 3,958.45 : x
  2. Step 2: Convert to fraction form
    12,725.58/19,090.46 = 3,958.45/x
  3. Step 3: Cross multiply
    12,725.58x = 19,090.46 × 3,958.45
  4. Step 4: Simplify right side
    12,725.58x = 75,568,631.39
  5. Step 5: Solve for x
    x = 75,568,631.39/12,725.58
  6. Step 6: Final answer
    x = 5,938.33

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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.