Home / 8,275.99-12,413.96-3,345.57

Finding the Fourth Proportional to 8,275.99, 12,413.96 and 3,345.57

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Solution

The fourth proportional to 8,275.99, 12,413.96 and 3,345.57 is: 5,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.99 : 12,413.96 = 3,345.57 : x
  2. Step 2: Convert to fraction form
    8,275.99/12,413.96 = 3,345.57/x
  3. Step 3: Cross multiply
    8,275.99x = 12,413.96 × 3,345.57
  4. Step 4: Simplify right side
    8,275.99x = 41,531,755.43
  5. Step 5: Solve for x
    x = 41,531,755.43/8,275.99
  6. Step 6: Final answer
    x = 5,018.34

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1.5x scale

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.