Home / 12,718.73-17,551.51-7,053.38

Finding the Fourth Proportional to 12,718.73, 17,551.51 and 7,053.38

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Solution

The fourth proportional to 12,718.73, 17,551.51 and 7,053.38 is: 9,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.73 : 17,551.51 = 7,053.38 : x
  2. Step 2: Convert to fraction form
    12,718.73/17,551.51 = 7,053.38/x
  3. Step 3: Cross multiply
    12,718.73x = 17,551.51 × 7,053.38
  4. Step 4: Simplify right side
    12,718.73x = 123,797,469.60
  5. Step 5: Solve for x
    x = 123,797,469.60/12,718.73
  6. Step 6: Final answer
    x = 9,733.48

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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.