Home / 10,577.35-15,864.82-2,786.77

Finding the Fourth Proportional to 10,577.35, 15,864.82 and 2,786.77

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Solution

The fourth proportional to 10,577.35, 15,864.82 and 2,786.77 is: 4,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.35 : 15,864.82 = 2,786.77 : x
  2. Step 2: Convert to fraction form
    10,577.35/15,864.82 = 2,786.77/x
  3. Step 3: Cross multiply
    10,577.35x = 15,864.82 × 2,786.77
  4. Step 4: Simplify right side
    10,577.35x = 44,211,604.43
  5. Step 5: Solve for x
    x = 44,211,604.43/10,577.35
  6. Step 6: Final answer
    x = 4,179.84

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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.