Home / 12,112.62-18,161.51-4,708.44

Finding the Fourth Proportional to 12,112.62, 18,161.51 and 4,708.44

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Solution

The fourth proportional to 12,112.62, 18,161.51 and 4,708.44 is: 7,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.62 : 18,161.51 = 4,708.44 : x
  2. Step 2: Convert to fraction form
    12,112.62/18,161.51 = 4,708.44/x
  3. Step 3: Cross multiply
    12,112.62x = 18,161.51 × 4,708.44
  4. Step 4: Simplify right side
    12,112.62x = 85,512,356.60
  5. Step 5: Solve for x
    x = 85,512,356.60/12,112.62
  6. Step 6: Final answer
    x = 7,059.77

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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.