Home / 7,413.16-11,110.46-3,509.80

Finding the Fourth Proportional to 7,413.16, 11,110.46 and 3,509.80

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Solution

The fourth proportional to 7,413.16, 11,110.46 and 3,509.80 is: 5,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.16 : 11,110.46 = 3,509.80 : x
  2. Step 2: Convert to fraction form
    7,413.16/11,110.46 = 3,509.80/x
  3. Step 3: Cross multiply
    7,413.16x = 11,110.46 × 3,509.80
  4. Step 4: Simplify right side
    7,413.16x = 38,995,492.51
  5. Step 5: Solve for x
    x = 38,995,492.51/7,413.16
  6. Step 6: Final answer
    x = 5,260.31

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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.