Home / 6,831.02-9,426.81-3,846.88

Finding the Fourth Proportional to 6,831.02, 9,426.81 and 3,846.88

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Solution

The fourth proportional to 6,831.02, 9,426.81 and 3,846.88 is: 5,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.02 : 9,426.81 = 3,846.88 : x
  2. Step 2: Convert to fraction form
    6,831.02/9,426.81 = 3,846.88/x
  3. Step 3: Cross multiply
    6,831.02x = 9,426.81 × 3,846.88
  4. Step 4: Simplify right side
    6,831.02x = 36,263,806.85
  5. Step 5: Solve for x
    x = 36,263,806.85/6,831.02
  6. Step 6: Final answer
    x = 5,308.70

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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.