Home / 8,376.13-12,562.82-2,829.35

Finding the Fourth Proportional to 8,376.13, 12,562.82 and 2,829.35

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Solution

The fourth proportional to 8,376.13, 12,562.82 and 2,829.35 is: 4,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.13 : 12,562.82 = 2,829.35 : x
  2. Step 2: Convert to fraction form
    8,376.13/12,562.82 = 2,829.35/x
  3. Step 3: Cross multiply
    8,376.13x = 12,562.82 × 2,829.35
  4. Step 4: Simplify right side
    8,376.13x = 35,544,579.93
  5. Step 5: Solve for x
    x = 35,544,579.93/8,376.13
  6. Step 6: Final answer
    x = 4,243.56

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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.