Home / 12,276.82-18,423.30-6,734.06

Finding the Fourth Proportional to 12,276.82, 18,423.30 and 6,734.06

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Solution

The fourth proportional to 12,276.82, 18,423.30 and 6,734.06 is: 10,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.82 : 18,423.30 = 6,734.06 : x
  2. Step 2: Convert to fraction form
    12,276.82/18,423.30 = 6,734.06/x
  3. Step 3: Cross multiply
    12,276.82x = 18,423.30 × 6,734.06
  4. Step 4: Simplify right side
    12,276.82x = 124,063,607.60
  5. Step 5: Solve for x
    x = 124,063,607.60/12,276.82
  6. Step 6: Final answer
    x = 10,105.52

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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.