Home / 11,229.32-16,845.48-3,831.79

Finding the Fourth Proportional to 11,229.32, 16,845.48 and 3,831.79

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Solution

The fourth proportional to 11,229.32, 16,845.48 and 3,831.79 is: 5,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.32 : 16,845.48 = 3,831.79 : x
  2. Step 2: Convert to fraction form
    11,229.32/16,845.48 = 3,831.79/x
  3. Step 3: Cross multiply
    11,229.32x = 16,845.48 × 3,831.79
  4. Step 4: Simplify right side
    11,229.32x = 64,548,341.81
  5. Step 5: Solve for x
    x = 64,548,341.81/11,229.32
  6. Step 6: Final answer
    x = 5,748.20

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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.