Home / 7,413.26-10,231.28-4,227.71

Finding the Fourth Proportional to 7,413.26, 10,231.28 and 4,227.71

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Solution

The fourth proportional to 7,413.26, 10,231.28 and 4,227.71 is: 5,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.26 : 10,231.28 = 4,227.71 : x
  2. Step 2: Convert to fraction form
    7,413.26/10,231.28 = 4,227.71/x
  3. Step 3: Cross multiply
    7,413.26x = 10,231.28 × 4,227.71
  4. Step 4: Simplify right side
    7,413.26x = 43,254,812.47
  5. Step 5: Solve for x
    x = 43,254,812.47/7,413.26
  6. Step 6: Final answer
    x = 5,834.79

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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.