Home / 7,413.03-11,120.73-3,515.31

Finding the Fourth Proportional to 7,413.03, 11,120.73 and 3,515.31

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Solution

The fourth proportional to 7,413.03, 11,120.73 and 3,515.31 is: 5,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.03 : 11,120.73 = 3,515.31 : x
  2. Step 2: Convert to fraction form
    7,413.03/11,120.73 = 3,515.31/x
  3. Step 3: Cross multiply
    7,413.03x = 11,120.73 × 3,515.31
  4. Step 4: Simplify right side
    7,413.03x = 39,092,813.38
  5. Step 5: Solve for x
    x = 39,092,813.38/7,413.03
  6. Step 6: Final answer
    x = 5,273.53

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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.