Home / 7,413.99-11,111.43-5,550.51

Finding the Fourth Proportional to 7,413.99, 11,111.43 and 5,550.51

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Solution

The fourth proportional to 7,413.99, 11,111.43 and 5,550.51 is: 8,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.99 : 11,111.43 = 5,550.51 : x
  2. Step 2: Convert to fraction form
    7,413.99/11,111.43 = 5,550.51/x
  3. Step 3: Cross multiply
    7,413.99x = 11,111.43 × 5,550.51
  4. Step 4: Simplify right side
    7,413.99x = 61,674,103.33
  5. Step 5: Solve for x
    x = 61,674,103.33/7,413.99
  6. Step 6: Final answer
    x = 8,318.61

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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.