Home / 11,020.86-16,531.29-4,091.58

Finding the Fourth Proportional to 11,020.86, 16,531.29 and 4,091.58

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Solution

The fourth proportional to 11,020.86, 16,531.29 and 4,091.58 is: 6,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.86 : 16,531.29 = 4,091.58 : x
  2. Step 2: Convert to fraction form
    11,020.86/16,531.29 = 4,091.58/x
  3. Step 3: Cross multiply
    11,020.86x = 16,531.29 × 4,091.58
  4. Step 4: Simplify right side
    11,020.86x = 67,639,095.54
  5. Step 5: Solve for x
    x = 67,639,095.54/11,020.86
  6. Step 6: Final answer
    x = 6,137.37

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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.