Home / 12,413.78-18,621.21-4,094.27

Finding the Fourth Proportional to 12,413.78, 18,621.21 and 4,094.27

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Solution

The fourth proportional to 12,413.78, 18,621.21 and 4,094.27 is: 6,141.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.78 : 18,621.21 = 4,094.27 : x
  2. Step 2: Convert to fraction form
    12,413.78/18,621.21 = 4,094.27/x
  3. Step 3: Cross multiply
    12,413.78x = 18,621.21 × 4,094.27
  4. Step 4: Simplify right side
    12,413.78x = 76,240,261.47
  5. Step 5: Solve for x
    x = 76,240,261.47/12,413.78
  6. Step 6: Final answer
    x = 6,141.58

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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.