Home / 9,787.27-14,679.51-3,212.60

Finding the Fourth Proportional to 9,787.27, 14,679.51 and 3,212.60

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Solution

The fourth proportional to 9,787.27, 14,679.51 and 3,212.60 is: 4,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.27 : 14,679.51 = 3,212.60 : x
  2. Step 2: Convert to fraction form
    9,787.27/14,679.51 = 3,212.60/x
  3. Step 3: Cross multiply
    9,787.27x = 14,679.51 × 3,212.60
  4. Step 4: Simplify right side
    9,787.27x = 47,159,393.83
  5. Step 5: Solve for x
    x = 47,159,393.83/9,787.27
  6. Step 6: Final answer
    x = 4,818.44

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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.