Home / 11,199.33-15,452.44-9,413.59

Finding the Fourth Proportional to 11,199.33, 15,452.44 and 9,413.59

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Solution

The fourth proportional to 11,199.33, 15,452.44 and 9,413.59 is: 12,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.33 : 15,452.44 = 9,413.59 : x
  2. Step 2: Convert to fraction form
    11,199.33/15,452.44 = 9,413.59/x
  3. Step 3: Cross multiply
    11,199.33x = 15,452.44 × 9,413.59
  4. Step 4: Simplify right side
    11,199.33x = 145,462,934.66
  5. Step 5: Solve for x
    x = 145,462,934.66/11,199.33
  6. Step 6: Final answer
    x = 12,988.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.