Home / 10,825.85-16,236.32-3,428.93

Finding the Fourth Proportional to 10,825.85, 16,236.32 and 3,428.93

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Solution

The fourth proportional to 10,825.85, 16,236.32 and 3,428.93 is: 5,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.85 : 16,236.32 = 3,428.93 : x
  2. Step 2: Convert to fraction form
    10,825.85/16,236.32 = 3,428.93/x
  3. Step 3: Cross multiply
    10,825.85x = 16,236.32 × 3,428.93
  4. Step 4: Simplify right side
    10,825.85x = 55,673,228.18
  5. Step 5: Solve for x
    x = 55,673,228.18/10,825.85
  6. Step 6: Final answer
    x = 5,142.62

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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.