Home / 11,831.49-17,751.42-5,257.08

Finding the Fourth Proportional to 11,831.49, 17,751.42 and 5,257.08

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Solution

The fourth proportional to 11,831.49, 17,751.42 and 5,257.08 is: 7,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.49 : 17,751.42 = 5,257.08 : x
  2. Step 2: Convert to fraction form
    11,831.49/17,751.42 = 5,257.08/x
  3. Step 3: Cross multiply
    11,831.49x = 17,751.42 × 5,257.08
  4. Step 4: Simplify right side
    11,831.49x = 93,320,635.05
  5. Step 5: Solve for x
    x = 93,320,635.05/11,831.49
  6. Step 6: Final answer
    x = 7,887.48

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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.