Home / 8,176.06-12,266.48-2,629.28

Finding the Fourth Proportional to 8,176.06, 12,266.48 and 2,629.28

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Solution

The fourth proportional to 8,176.06, 12,266.48 and 2,629.28 is: 3,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.06 : 12,266.48 = 2,629.28 : x
  2. Step 2: Convert to fraction form
    8,176.06/12,266.48 = 2,629.28/x
  3. Step 3: Cross multiply
    8,176.06x = 12,266.48 × 2,629.28
  4. Step 4: Simplify right side
    8,176.06x = 32,252,010.53
  5. Step 5: Solve for x
    x = 32,252,010.53/8,176.06
  6. Step 6: Final answer
    x = 3,944.69

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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.