Home / 8,831.46-13,247.34-3,900.03

Finding the Fourth Proportional to 8,831.46, 13,247.34 and 3,900.03

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Solution

The fourth proportional to 8,831.46, 13,247.34 and 3,900.03 is: 5,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.46 : 13,247.34 = 3,900.03 : x
  2. Step 2: Convert to fraction form
    8,831.46/13,247.34 = 3,900.03/x
  3. Step 3: Cross multiply
    8,831.46x = 13,247.34 × 3,900.03
  4. Step 4: Simplify right side
    8,831.46x = 51,665,023.42
  5. Step 5: Solve for x
    x = 51,665,023.42/8,831.46
  6. Step 6: Final answer
    x = 5,850.11

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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.