Home / 12,849.73-17,736.39-7,473.43

Finding the Fourth Proportional to 12,849.73, 17,736.39 and 7,473.43

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Solution

The fourth proportional to 12,849.73, 17,736.39 and 7,473.43 is: 10,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.73 : 17,736.39 = 7,473.43 : x
  2. Step 2: Convert to fraction form
    12,849.73/17,736.39 = 7,473.43/x
  3. Step 3: Cross multiply
    12,849.73x = 17,736.39 × 7,473.43
  4. Step 4: Simplify right side
    12,849.73x = 132,551,669.12
  5. Step 5: Solve for x
    x = 132,551,669.12/12,849.73
  6. Step 6: Final answer
    x = 10,315.52

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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.