Home / 8,241.77-12,355.16-2,975.56

Finding the Fourth Proportional to 8,241.77, 12,355.16 and 2,975.56

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Solution

The fourth proportional to 8,241.77, 12,355.16 and 2,975.56 is: 4,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.77 : 12,355.16 = 2,975.56 : x
  2. Step 2: Convert to fraction form
    8,241.77/12,355.16 = 2,975.56/x
  3. Step 3: Cross multiply
    8,241.77x = 12,355.16 × 2,975.56
  4. Step 4: Simplify right side
    8,241.77x = 36,763,474.12
  5. Step 5: Solve for x
    x = 36,763,474.12/8,241.77
  6. Step 6: Final answer
    x = 4,460.63

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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.