Home / 12,227.15-18,340.43-3,907.04

Finding the Fourth Proportional to 12,227.15, 18,340.43 and 3,907.04

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Solution

The fourth proportional to 12,227.15, 18,340.43 and 3,907.04 is: 5,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.15 : 18,340.43 = 3,907.04 : x
  2. Step 2: Convert to fraction form
    12,227.15/18,340.43 = 3,907.04/x
  3. Step 3: Cross multiply
    12,227.15x = 18,340.43 × 3,907.04
  4. Step 4: Simplify right side
    12,227.15x = 71,656,682.39
  5. Step 5: Solve for x
    x = 71,656,682.39/12,227.15
  6. Step 6: Final answer
    x = 5,860.46

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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.