Home / 11,928.79-17,881.17-4,531.33

Finding the Fourth Proportional to 11,928.79, 17,881.17 and 4,531.33

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Solution

The fourth proportional to 11,928.79, 17,881.17 and 4,531.33 is: 6,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.79 : 17,881.17 = 4,531.33 : x
  2. Step 2: Convert to fraction form
    11,928.79/17,881.17 = 4,531.33/x
  3. Step 3: Cross multiply
    11,928.79x = 17,881.17 × 4,531.33
  4. Step 4: Simplify right side
    11,928.79x = 81,025,482.06
  5. Step 5: Solve for x
    x = 81,025,482.06/11,928.79
  6. Step 6: Final answer
    x = 6,792.43

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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.