Home / 9,719.75-13,413.66-5,744.27

Finding the Fourth Proportional to 9,719.75, 13,413.66 and 5,744.27

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Solution

The fourth proportional to 9,719.75, 13,413.66 and 5,744.27 is: 7,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.75 : 13,413.66 = 5,744.27 : x
  2. Step 2: Convert to fraction form
    9,719.75/13,413.66 = 5,744.27/x
  3. Step 3: Cross multiply
    9,719.75x = 13,413.66 × 5,744.27
  4. Step 4: Simplify right side
    9,719.75x = 77,051,684.73
  5. Step 5: Solve for x
    x = 77,051,684.73/9,719.75
  6. Step 6: Final answer
    x = 7,927.33

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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.