Home / 8,163.72-11,267.01-7,941.33

Finding the Fourth Proportional to 8,163.72, 11,267.01 and 7,941.33

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Solution

The fourth proportional to 8,163.72, 11,267.01 and 7,941.33 is: 10,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.72 : 11,267.01 = 7,941.33 : x
  2. Step 2: Convert to fraction form
    8,163.72/11,267.01 = 7,941.33/x
  3. Step 3: Cross multiply
    8,163.72x = 11,267.01 × 7,941.33
  4. Step 4: Simplify right side
    8,163.72x = 89,475,044.52
  5. Step 5: Solve for x
    x = 89,475,044.52/8,163.72
  6. Step 6: Final answer
    x = 10,960.08

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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.