Home / 10,276.62-15,413.76-2,881.68

Finding the Fourth Proportional to 10,276.62, 15,413.76 and 2,881.68

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Solution

The fourth proportional to 10,276.62, 15,413.76 and 2,881.68 is: 4,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.62 : 15,413.76 = 2,881.68 : x
  2. Step 2: Convert to fraction form
    10,276.62/15,413.76 = 2,881.68/x
  3. Step 3: Cross multiply
    10,276.62x = 15,413.76 × 2,881.68
  4. Step 4: Simplify right side
    10,276.62x = 44,417,523.92
  5. Step 5: Solve for x
    x = 44,417,523.92/10,276.62
  6. Step 6: Final answer
    x = 4,322.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.