Home / 12,047.42-18,067.67-4,149.62

Finding the Fourth Proportional to 12,047.42, 18,067.67 and 4,149.62

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Solution

The fourth proportional to 12,047.42, 18,067.67 and 4,149.62 is: 6,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.42 : 18,067.67 = 4,149.62 : x
  2. Step 2: Convert to fraction form
    12,047.42/18,067.67 = 4,149.62/x
  3. Step 3: Cross multiply
    12,047.42x = 18,067.67 × 4,149.62
  4. Step 4: Simplify right side
    12,047.42x = 74,973,921.45
  5. Step 5: Solve for x
    x = 74,973,921.45/12,047.42
  6. Step 6: Final answer
    x = 6,223.23

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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.