Home / 10,936.24-16,400.32-3,914.35

Finding the Fourth Proportional to 10,936.24, 16,400.32 and 3,914.35

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Solution

The fourth proportional to 10,936.24, 16,400.32 and 3,914.35 is: 5,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.24 : 16,400.32 = 3,914.35 : x
  2. Step 2: Convert to fraction form
    10,936.24/16,400.32 = 3,914.35/x
  3. Step 3: Cross multiply
    10,936.24x = 16,400.32 × 3,914.35
  4. Step 4: Simplify right side
    10,936.24x = 64,196,491.02
  5. Step 5: Solve for x
    x = 64,196,491.02/10,936.24
  6. Step 6: Final answer
    x = 5,870.07

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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.