Home / 11,760.10-17,639.78-3,968.26

Finding the Fourth Proportional to 11,760.10, 17,639.78 and 3,968.26

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Solution

The fourth proportional to 11,760.10, 17,639.78 and 3,968.26 is: 5,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.10 : 17,639.78 = 3,968.26 : x
  2. Step 2: Convert to fraction form
    11,760.10/17,639.78 = 3,968.26/x
  3. Step 3: Cross multiply
    11,760.10x = 17,639.78 × 3,968.26
  4. Step 4: Simplify right side
    11,760.10x = 69,999,233.38
  5. Step 5: Solve for x
    x = 69,999,233.38/11,760.10
  6. Step 6: Final answer
    x = 5,952.27

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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.