Home / 8,628.24-11,907.72-5,092.56

Finding the Fourth Proportional to 8,628.24, 11,907.72 and 5,092.56

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Solution

The fourth proportional to 8,628.24, 11,907.72 and 5,092.56 is: 7,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.24 : 11,907.72 = 5,092.56 : x
  2. Step 2: Convert to fraction form
    8,628.24/11,907.72 = 5,092.56/x
  3. Step 3: Cross multiply
    8,628.24x = 11,907.72 × 5,092.56
  4. Step 4: Simplify right side
    8,628.24x = 60,640,778.56
  5. Step 5: Solve for x
    x = 60,640,778.56/8,628.24
  6. Step 6: Final answer
    x = 7,028.17

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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.