Home / 8,413.62-11,610.38-4,877.98

Finding the Fourth Proportional to 8,413.62, 11,610.38 and 4,877.98

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Solution

The fourth proportional to 8,413.62, 11,610.38 and 4,877.98 is: 6,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.62 : 11,610.38 = 4,877.98 : x
  2. Step 2: Convert to fraction form
    8,413.62/11,610.38 = 4,877.98/x
  3. Step 3: Cross multiply
    8,413.62x = 11,610.38 × 4,877.98
  4. Step 4: Simplify right side
    8,413.62x = 56,635,201.43
  5. Step 5: Solve for x
    x = 56,635,201.43/8,413.62
  6. Step 6: Final answer
    x = 6,731.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.