Home / 7,845.46-11,768.37-2,002.12

Finding the Fourth Proportional to 7,845.46, 11,768.37 and 2,002.12

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Solution

The fourth proportional to 7,845.46, 11,768.37 and 2,002.12 is: 3,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.46 : 11,768.37 = 2,002.12 : x
  2. Step 2: Convert to fraction form
    7,845.46/11,768.37 = 2,002.12/x
  3. Step 3: Cross multiply
    7,845.46x = 11,768.37 × 2,002.12
  4. Step 4: Simplify right side
    7,845.46x = 23,561,688.94
  5. Step 5: Solve for x
    x = 23,561,688.94/7,845.46
  6. Step 6: Final answer
    x = 3,003.23

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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.