Home / 8,061.24-11,121.66-5,268.36

Finding the Fourth Proportional to 8,061.24, 11,121.66 and 5,268.36

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Solution

The fourth proportional to 8,061.24, 11,121.66 and 5,268.36 is: 7,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.24 : 11,121.66 = 5,268.36 : x
  2. Step 2: Convert to fraction form
    8,061.24/11,121.66 = 5,268.36/x
  3. Step 3: Cross multiply
    8,061.24x = 11,121.66 × 5,268.36
  4. Step 4: Simplify right side
    8,061.24x = 58,592,908.68
  5. Step 5: Solve for x
    x = 58,592,908.68/8,061.24
  6. Step 6: Final answer
    x = 7,268.47

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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.