Home / 11,699.28-17,549.06-3,908.09

Finding the Fourth Proportional to 11,699.28, 17,549.06 and 3,908.09

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Solution

The fourth proportional to 11,699.28, 17,549.06 and 3,908.09 is: 5,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.28 : 17,549.06 = 3,908.09 : x
  2. Step 2: Convert to fraction form
    11,699.28/17,549.06 = 3,908.09/x
  3. Step 3: Cross multiply
    11,699.28x = 17,549.06 × 3,908.09
  4. Step 4: Simplify right side
    11,699.28x = 68,583,198.61
  5. Step 5: Solve for x
    x = 68,583,198.61/11,699.28
  6. Step 6: Final answer
    x = 5,862.17

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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.