Home / 11,891.14-17,812.49-5,632.18

Finding the Fourth Proportional to 11,891.14, 17,812.49 and 5,632.18

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Solution

The fourth proportional to 11,891.14, 17,812.49 and 5,632.18 is: 8,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.14 : 17,812.49 = 5,632.18 : x
  2. Step 2: Convert to fraction form
    11,891.14/17,812.49 = 5,632.18/x
  3. Step 3: Cross multiply
    11,891.14x = 17,812.49 × 5,632.18
  4. Step 4: Simplify right side
    11,891.14x = 100,323,077.24
  5. Step 5: Solve for x
    x = 100,323,077.24/11,891.14
  6. Step 6: Final answer
    x = 8,436.79

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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.