Home / 7,846.11-11,771.46-3,163.71

Finding the Fourth Proportional to 7,846.11, 11,771.46 and 3,163.71

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Solution

The fourth proportional to 7,846.11, 11,771.46 and 3,163.71 is: 4,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.11 : 11,771.46 = 3,163.71 : x
  2. Step 2: Convert to fraction form
    7,846.11/11,771.46 = 3,163.71/x
  3. Step 3: Cross multiply
    7,846.11x = 11,771.46 × 3,163.71
  4. Step 4: Simplify right side
    7,846.11x = 37,241,485.72
  5. Step 5: Solve for x
    x = 37,241,485.72/7,846.11
  6. Step 6: Final answer
    x = 4,746.49

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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.