Home / 10,936.36-16,401.13-3,539.30

Finding the Fourth Proportional to 10,936.36, 16,401.13 and 3,539.30

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Solution

The fourth proportional to 10,936.36, 16,401.13 and 3,539.30 is: 5,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.36 : 16,401.13 = 3,539.30 : x
  2. Step 2: Convert to fraction form
    10,936.36/16,401.13 = 3,539.30/x
  3. Step 3: Cross multiply
    10,936.36x = 16,401.13 × 3,539.30
  4. Step 4: Simplify right side
    10,936.36x = 58,048,428.56
  5. Step 5: Solve for x
    x = 58,048,428.56/10,936.36
  6. Step 6: Final answer
    x = 5,307.84

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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.