Home / 8,224.80-11,351.12-5,243.36

Finding the Fourth Proportional to 8,224.80, 11,351.12 and 5,243.36

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Solution

The fourth proportional to 8,224.80, 11,351.12 and 5,243.36 is: 7,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.80 : 11,351.12 = 5,243.36 : x
  2. Step 2: Convert to fraction form
    8,224.80/11,351.12 = 5,243.36/x
  3. Step 3: Cross multiply
    8,224.80x = 11,351.12 × 5,243.36
  4. Step 4: Simplify right side
    8,224.80x = 59,518,008.56
  5. Step 5: Solve for x
    x = 59,518,008.56/8,224.80
  6. Step 6: Final answer
    x = 7,236.41

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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.