Home / 8,056.80-12,083.76-2,212.11

Finding the Fourth Proportional to 8,056.80, 12,083.76 and 2,212.11

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Solution

The fourth proportional to 8,056.80, 12,083.76 and 2,212.11 is: 3,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.80 : 12,083.76 = 2,212.11 : x
  2. Step 2: Convert to fraction form
    8,056.80/12,083.76 = 2,212.11/x
  3. Step 3: Cross multiply
    8,056.80x = 12,083.76 × 2,212.11
  4. Step 4: Simplify right side
    8,056.80x = 26,730,606.33
  5. Step 5: Solve for x
    x = 26,730,606.33/8,056.80
  6. Step 6: Final answer
    x = 3,317.77

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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.