Home / 8,176.45-12,264.48-2,629.81

Finding the Fourth Proportional to 8,176.45, 12,264.48 and 2,629.81

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Solution

The fourth proportional to 8,176.45, 12,264.48 and 2,629.81 is: 3,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.45 : 12,264.48 = 2,629.81 : x
  2. Step 2: Convert to fraction form
    8,176.45/12,264.48 = 2,629.81/x
  3. Step 3: Cross multiply
    8,176.45x = 12,264.48 × 2,629.81
  4. Step 4: Simplify right side
    8,176.45x = 32,253,252.15
  5. Step 5: Solve for x
    x = 32,253,252.15/8,176.45
  6. Step 6: Final answer
    x = 3,944.65

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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.