Home / 10,936.61-16,405.28-3,541.13

Finding the Fourth Proportional to 10,936.61, 16,405.28 and 3,541.13

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Solution

The fourth proportional to 10,936.61, 16,405.28 and 3,541.13 is: 5,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.61 : 16,405.28 = 3,541.13 : x
  2. Step 2: Convert to fraction form
    10,936.61/16,405.28 = 3,541.13/x
  3. Step 3: Cross multiply
    10,936.61x = 16,405.28 × 3,541.13
  4. Step 4: Simplify right side
    10,936.61x = 58,093,129.43
  5. Step 5: Solve for x
    x = 58,093,129.43/10,936.61
  6. Step 6: Final answer
    x = 5,311.81

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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.