Home / 6,831.44-9,427.08-3,847.23

Finding the Fourth Proportional to 6,831.44, 9,427.08 and 3,847.23

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Solution

The fourth proportional to 6,831.44, 9,427.08 and 3,847.23 is: 5,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.44 : 9,427.08 = 3,847.23 : x
  2. Step 2: Convert to fraction form
    6,831.44/9,427.08 = 3,847.23/x
  3. Step 3: Cross multiply
    6,831.44x = 9,427.08 × 3,847.23
  4. Step 4: Simplify right side
    6,831.44x = 36,268,159.42
  5. Step 5: Solve for x
    x = 36,268,159.42/6,831.44
  6. Step 6: Final answer
    x = 5,309.01

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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.