Home / 7,575.09-11,365.47-3,413.85

Finding the Fourth Proportional to 7,575.09, 11,365.47 and 3,413.85

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Solution

The fourth proportional to 7,575.09, 11,365.47 and 3,413.85 is: 5,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.09 : 11,365.47 = 3,413.85 : x
  2. Step 2: Convert to fraction form
    7,575.09/11,365.47 = 3,413.85/x
  3. Step 3: Cross multiply
    7,575.09x = 11,365.47 × 3,413.85
  4. Step 4: Simplify right side
    7,575.09x = 38,800,009.76
  5. Step 5: Solve for x
    x = 38,800,009.76/7,575.09
  6. Step 6: Final answer
    x = 5,122.05

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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.