Home / 8,106.72-12,160.20-2,263.22

Finding the Fourth Proportional to 8,106.72, 12,160.20 and 2,263.22

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Solution

The fourth proportional to 8,106.72, 12,160.20 and 2,263.22 is: 3,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.72 : 12,160.20 = 2,263.22 : x
  2. Step 2: Convert to fraction form
    8,106.72/12,160.20 = 2,263.22/x
  3. Step 3: Cross multiply
    8,106.72x = 12,160.20 × 2,263.22
  4. Step 4: Simplify right side
    8,106.72x = 27,521,207.84
  5. Step 5: Solve for x
    x = 27,521,207.84/8,106.72
  6. Step 6: Final answer
    x = 3,394.86

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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.