Home / 8,130.22-12,196.49-2,508.36

Finding the Fourth Proportional to 8,130.22, 12,196.49 and 2,508.36

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Solution

The fourth proportional to 8,130.22, 12,196.49 and 2,508.36 is: 3,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.22 : 12,196.49 = 2,508.36 : x
  2. Step 2: Convert to fraction form
    8,130.22/12,196.49 = 2,508.36/x
  3. Step 3: Cross multiply
    8,130.22x = 12,196.49 × 2,508.36
  4. Step 4: Simplify right side
    8,130.22x = 30,593,175.11
  5. Step 5: Solve for x
    x = 30,593,175.11/8,130.22
  6. Step 6: Final answer
    x = 3,762.90

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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.