Home / 11,571.28-17,356.75-2,806.27

Finding the Fourth Proportional to 11,571.28, 17,356.75 and 2,806.27

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Solution

The fourth proportional to 11,571.28, 17,356.75 and 2,806.27 is: 4,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.28 : 17,356.75 = 2,806.27 : x
  2. Step 2: Convert to fraction form
    11,571.28/17,356.75 = 2,806.27/x
  3. Step 3: Cross multiply
    11,571.28x = 17,356.75 × 2,806.27
  4. Step 4: Simplify right side
    11,571.28x = 48,707,726.82
  5. Step 5: Solve for x
    x = 48,707,726.82/11,571.28
  6. Step 6: Final answer
    x = 4,209.36

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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.