Home / 11,850.63-16,350.10-6,812.97

Finding the Fourth Proportional to 11,850.63, 16,350.10 and 6,812.97

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Solution

The fourth proportional to 11,850.63, 16,350.10 and 6,812.97 is: 9,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.63 : 16,350.10 = 6,812.97 : x
  2. Step 2: Convert to fraction form
    11,850.63/16,350.10 = 6,812.97/x
  3. Step 3: Cross multiply
    11,850.63x = 16,350.10 × 6,812.97
  4. Step 4: Simplify right side
    11,850.63x = 111,392,740.80
  5. Step 5: Solve for x
    x = 111,392,740.80/11,850.63
  6. Step 6: Final answer
    x = 9,399.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.