Home / 12,400.44-18,603.40-4,083.02

Finding the Fourth Proportional to 12,400.44, 18,603.40 and 4,083.02

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Solution

The fourth proportional to 12,400.44, 18,603.40 and 4,083.02 is: 6,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.44 : 18,603.40 = 4,083.02 : x
  2. Step 2: Convert to fraction form
    12,400.44/18,603.40 = 4,083.02/x
  3. Step 3: Cross multiply
    12,400.44x = 18,603.40 × 4,083.02
  4. Step 4: Simplify right side
    12,400.44x = 75,958,054.27
  5. Step 5: Solve for x
    x = 75,958,054.27/12,400.44
  6. Step 6: Final answer
    x = 6,125.43

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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.