Home / 6,831.24-9,426.38-3,847.02

Finding the Fourth Proportional to 6,831.24, 9,426.38 and 3,847.02

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Solution

The fourth proportional to 6,831.24, 9,426.38 and 3,847.02 is: 5,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.24 : 9,426.38 = 3,847.02 : x
  2. Step 2: Convert to fraction form
    6,831.24/9,426.38 = 3,847.02/x
  3. Step 3: Cross multiply
    6,831.24x = 9,426.38 × 3,847.02
  4. Step 4: Simplify right side
    6,831.24x = 36,263,453.15
  5. Step 5: Solve for x
    x = 36,263,453.15/6,831.24
  6. Step 6: Final answer
    x = 5,308.47

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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.