Home / 11,831.54-17,746.09-3,934.58

Finding the Fourth Proportional to 11,831.54, 17,746.09 and 3,934.58

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Solution

The fourth proportional to 11,831.54, 17,746.09 and 3,934.58 is: 5,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.54 : 17,746.09 = 3,934.58 : x
  2. Step 2: Convert to fraction form
    11,831.54/17,746.09 = 3,934.58/x
  3. Step 3: Cross multiply
    11,831.54x = 17,746.09 × 3,934.58
  4. Step 4: Simplify right side
    11,831.54x = 69,823,312.23
  5. Step 5: Solve for x
    x = 69,823,312.23/11,831.54
  6. Step 6: Final answer
    x = 5,901.46

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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.