Home / 12,736.94-17,576.10-7,071.24

Finding the Fourth Proportional to 12,736.94, 17,576.10 and 7,071.24

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Solution

The fourth proportional to 12,736.94, 17,576.10 and 7,071.24 is: 9,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.94 : 17,576.10 = 7,071.24 : x
  2. Step 2: Convert to fraction form
    12,736.94/17,576.10 = 7,071.24/x
  3. Step 3: Cross multiply
    12,736.94x = 17,576.10 × 7,071.24
  4. Step 4: Simplify right side
    12,736.94x = 124,284,821.36
  5. Step 5: Solve for x
    x = 124,284,821.36/12,736.94
  6. Step 6: Final answer
    x = 9,757.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.