Home / 12,047.66-18,072.71-4,149.14

Finding the Fourth Proportional to 12,047.66, 18,072.71 and 4,149.14

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Solution

The fourth proportional to 12,047.66, 18,072.71 and 4,149.14 is: 6,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.66 : 18,072.71 = 4,149.14 : x
  2. Step 2: Convert to fraction form
    12,047.66/18,072.71 = 4,149.14/x
  3. Step 3: Cross multiply
    12,047.66x = 18,072.71 × 4,149.14
  4. Step 4: Simplify right side
    12,047.66x = 74,986,249.15
  5. Step 5: Solve for x
    x = 74,986,249.15/12,047.66
  6. Step 6: Final answer
    x = 6,224.14

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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.