Home / 11,831.70-16,327.77-6,796.90

Finding the Fourth Proportional to 11,831.70, 16,327.77 and 6,796.90

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Solution

The fourth proportional to 11,831.70, 16,327.77 and 6,796.90 is: 9,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.70 : 16,327.77 = 6,796.90 : x
  2. Step 2: Convert to fraction form
    11,831.70/16,327.77 = 6,796.90/x
  3. Step 3: Cross multiply
    11,831.70x = 16,327.77 × 6,796.90
  4. Step 4: Simplify right side
    11,831.70x = 110,978,185.93
  5. Step 5: Solve for x
    x = 110,978,185.93/11,831.70
  6. Step 6: Final answer
    x = 9,379.73

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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.