Home / 12,043.73-18,063.74-3,279.32

Finding the Fourth Proportional to 12,043.73, 18,063.74 and 3,279.32

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Solution

The fourth proportional to 12,043.73, 18,063.74 and 3,279.32 is: 4,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.73 : 18,063.74 = 3,279.32 : x
  2. Step 2: Convert to fraction form
    12,043.73/18,063.74 = 3,279.32/x
  3. Step 3: Cross multiply
    12,043.73x = 18,063.74 × 3,279.32
  4. Step 4: Simplify right side
    12,043.73x = 59,236,677.14
  5. Step 5: Solve for x
    x = 59,236,677.14/12,043.73
  6. Step 6: Final answer
    x = 4,918.47

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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.