Home / 11,936.10-17,904.34-3,616.20

Finding the Fourth Proportional to 11,936.10, 17,904.34 and 3,616.20

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Solution

The fourth proportional to 11,936.10, 17,904.34 and 3,616.20 is: 5,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.10 : 17,904.34 = 3,616.20 : x
  2. Step 2: Convert to fraction form
    11,936.10/17,904.34 = 3,616.20/x
  3. Step 3: Cross multiply
    11,936.10x = 17,904.34 × 3,616.20
  4. Step 4: Simplify right side
    11,936.10x = 64,745,674.31
  5. Step 5: Solve for x
    x = 64,745,674.31/11,936.10
  6. Step 6: Final answer
    x = 5,424.36

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1.5x scale

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.