Home / 11,179.86-16,773.21-3,389.46

Finding the Fourth Proportional to 11,179.86, 16,773.21 and 3,389.46

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Solution

The fourth proportional to 11,179.86, 16,773.21 and 3,389.46 is: 5,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.86 : 16,773.21 = 3,389.46 : x
  2. Step 2: Convert to fraction form
    11,179.86/16,773.21 = 3,389.46/x
  3. Step 3: Cross multiply
    11,179.86x = 16,773.21 × 3,389.46
  4. Step 4: Simplify right side
    11,179.86x = 56,852,124.37
  5. Step 5: Solve for x
    x = 56,852,124.37/11,179.86
  6. Step 6: Final answer
    x = 5,085.23

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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.