Home / 11,273.13-16,909.83-6,831.81

Finding the Fourth Proportional to 11,273.13, 16,909.83 and 6,831.81

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Solution

The fourth proportional to 11,273.13, 16,909.83 and 6,831.81 is: 10,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.13 : 16,909.83 = 6,831.81 : x
  2. Step 2: Convert to fraction form
    11,273.13/16,909.83 = 6,831.81/x
  3. Step 3: Cross multiply
    11,273.13x = 16,909.83 × 6,831.81
  4. Step 4: Simplify right side
    11,273.13x = 115,524,745.69
  5. Step 5: Solve for x
    x = 115,524,745.69/11,273.13
  6. Step 6: Final answer
    x = 10,247.80

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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.