Home / 7,192.49-10,786.13-2,511.19

Finding the Fourth Proportional to 7,192.49, 10,786.13 and 2,511.19

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Solution

The fourth proportional to 7,192.49, 10,786.13 and 2,511.19 is: 3,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.49 : 10,786.13 = 2,511.19 : x
  2. Step 2: Convert to fraction form
    7,192.49/10,786.13 = 2,511.19/x
  3. Step 3: Cross multiply
    7,192.49x = 10,786.13 × 2,511.19
  4. Step 4: Simplify right side
    7,192.49x = 27,085,955.31
  5. Step 5: Solve for x
    x = 27,085,955.31/7,192.49
  6. Step 6: Final answer
    x = 3,765.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.