Home / 6,831.05-9,425.49-3,847.01

Finding the Fourth Proportional to 6,831.05, 9,425.49 and 3,847.01

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Solution

The fourth proportional to 6,831.05, 9,425.49 and 3,847.01 is: 5,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.05 : 9,425.49 = 3,847.01 : x
  2. Step 2: Convert to fraction form
    6,831.05/9,425.49 = 3,847.01/x
  3. Step 3: Cross multiply
    6,831.05x = 9,425.49 × 3,847.01
  4. Step 4: Simplify right side
    6,831.05x = 36,259,907.16
  5. Step 5: Solve for x
    x = 36,259,907.16/6,831.05
  6. Step 6: Final answer
    x = 5,308.11

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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.