Home / 6,831.23-10,247.54-2,151.36

Finding the Fourth Proportional to 6,831.23, 10,247.54 and 2,151.36

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Solution

The fourth proportional to 6,831.23, 10,247.54 and 2,151.36 is: 3,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.23 : 10,247.54 = 2,151.36 : x
  2. Step 2: Convert to fraction form
    6,831.23/10,247.54 = 2,151.36/x
  3. Step 3: Cross multiply
    6,831.23x = 10,247.54 × 2,151.36
  4. Step 4: Simplify right side
    6,831.23x = 22,046,136.90
  5. Step 5: Solve for x
    x = 22,046,136.90/6,831.23
  6. Step 6: Final answer
    x = 3,227.26

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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.