Home / 11,413.23-15,743.86-6,696.60

Finding the Fourth Proportional to 11,413.23, 15,743.86 and 6,696.60

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Solution

The fourth proportional to 11,413.23, 15,743.86 and 6,696.60 is: 9,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.23 : 15,743.86 = 6,696.60 : x
  2. Step 2: Convert to fraction form
    11,413.23/15,743.86 = 6,696.60/x
  3. Step 3: Cross multiply
    11,413.23x = 15,743.86 × 6,696.60
  4. Step 4: Simplify right side
    11,413.23x = 105,430,332.88
  5. Step 5: Solve for x
    x = 105,430,332.88/11,413.23
  6. Step 6: Final answer
    x = 9,237.55

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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.