Home / 8,176.34-12,265.26-2,628.32

Finding the Fourth Proportional to 8,176.34, 12,265.26 and 2,628.32

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Solution

The fourth proportional to 8,176.34, 12,265.26 and 2,628.32 is: 3,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.34 : 12,265.26 = 2,628.32 : x
  2. Step 2: Convert to fraction form
    8,176.34/12,265.26 = 2,628.32/x
  3. Step 3: Cross multiply
    8,176.34x = 12,265.26 × 2,628.32
  4. Step 4: Simplify right side
    8,176.34x = 32,236,966.84
  5. Step 5: Solve for x
    x = 32,236,966.84/8,176.34
  6. Step 6: Final answer
    x = 3,942.71

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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.