Home / 7,413.68-10,231.76-4,269.76

Finding the Fourth Proportional to 7,413.68, 10,231.76 and 4,269.76

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Solution

The fourth proportional to 7,413.68, 10,231.76 and 4,269.76 is: 5,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.68 : 10,231.76 = 4,269.76 : x
  2. Step 2: Convert to fraction form
    7,413.68/10,231.76 = 4,269.76/x
  3. Step 3: Cross multiply
    7,413.68x = 10,231.76 × 4,269.76
  4. Step 4: Simplify right side
    7,413.68x = 43,687,159.58
  5. Step 5: Solve for x
    x = 43,687,159.58/7,413.68
  6. Step 6: Final answer
    x = 5,892.78

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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.