Home / 11,736.77-17,517-10,148.48

Finding the Fourth Proportional to 11,736.77, 17,517 and 10,148.48

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Solution

The fourth proportional to 11,736.77, 17,517 and 10,148.48 is: 15,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.77 : 17,517 = 10,148.48 : x
  2. Step 2: Convert to fraction form
    11,736.77/17,517 = 10,148.48/x
  3. Step 3: Cross multiply
    11,736.77x = 17,517 × 10,148.48
  4. Step 4: Simplify right side
    11,736.77x = 177,770,924.16
  5. Step 5: Solve for x
    x = 177,770,924.16/11,736.77
  6. Step 6: Final answer
    x = 15,146.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.