Home / 8,541.42-11,787.46-4,956.11

Finding the Fourth Proportional to 8,541.42, 11,787.46 and 4,956.11

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Solution

The fourth proportional to 8,541.42, 11,787.46 and 4,956.11 is: 6,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.42 : 11,787.46 = 4,956.11 : x
  2. Step 2: Convert to fraction form
    8,541.42/11,787.46 = 4,956.11/x
  3. Step 3: Cross multiply
    8,541.42x = 11,787.46 × 4,956.11
  4. Step 4: Simplify right side
    8,541.42x = 58,419,943.36
  5. Step 5: Solve for x
    x = 58,419,943.36/8,541.42
  6. Step 6: Final answer
    x = 6,839.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.