Home / 12,425.24-17,146.68-9,252.72

Finding the Fourth Proportional to 12,425.24, 17,146.68 and 9,252.72

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Solution

The fourth proportional to 12,425.24, 17,146.68 and 9,252.72 is: 12,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.24 : 17,146.68 = 9,252.72 : x
  2. Step 2: Convert to fraction form
    12,425.24/17,146.68 = 9,252.72/x
  3. Step 3: Cross multiply
    12,425.24x = 17,146.68 × 9,252.72
  4. Step 4: Simplify right side
    12,425.24x = 158,653,428.97
  5. Step 5: Solve for x
    x = 158,653,428.97/12,425.24
  6. Step 6: Final answer
    x = 12,768.65

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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.