Home / 8,413.05-11,609.85-4,876.59

Finding the Fourth Proportional to 8,413.05, 11,609.85 and 4,876.59

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Solution

The fourth proportional to 8,413.05, 11,609.85 and 4,876.59 is: 6,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.05 : 11,609.85 = 4,876.59 : x
  2. Step 2: Convert to fraction form
    8,413.05/11,609.85 = 4,876.59/x
  3. Step 3: Cross multiply
    8,413.05x = 11,609.85 × 4,876.59
  4. Step 4: Simplify right side
    8,413.05x = 56,616,478.41
  5. Step 5: Solve for x
    x = 56,616,478.41/8,413.05
  6. Step 6: Final answer
    x = 6,729.60

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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.