Home / 7,216.86-10,826.40-2,286.02

Finding the Fourth Proportional to 7,216.86, 10,826.40 and 2,286.02

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Solution

The fourth proportional to 7,216.86, 10,826.40 and 2,286.02 is: 3,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.86 : 10,826.40 = 2,286.02 : x
  2. Step 2: Convert to fraction form
    7,216.86/10,826.40 = 2,286.02/x
  3. Step 3: Cross multiply
    7,216.86x = 10,826.40 × 2,286.02
  4. Step 4: Simplify right side
    7,216.86x = 24,749,366.93
  5. Step 5: Solve for x
    x = 24,749,366.93/7,216.86
  6. Step 6: Final answer
    x = 3,429.38

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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.