Home / 10,705.21-16,057.82-3,309.51

Finding the Fourth Proportional to 10,705.21, 16,057.82 and 3,309.51

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Solution

The fourth proportional to 10,705.21, 16,057.82 and 3,309.51 is: 4,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.21 : 16,057.82 = 3,309.51 : x
  2. Step 2: Convert to fraction form
    10,705.21/16,057.82 = 3,309.51/x
  3. Step 3: Cross multiply
    10,705.21x = 16,057.82 × 3,309.51
  4. Step 4: Simplify right side
    10,705.21x = 53,143,484.73
  5. Step 5: Solve for x
    x = 53,143,484.73/10,705.21
  6. Step 6: Final answer
    x = 4,964.26

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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.