Home / 12,252.92-18,376.42-3,931.36

Finding the Fourth Proportional to 12,252.92, 18,376.42 and 3,931.36

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Solution

The fourth proportional to 12,252.92, 18,376.42 and 3,931.36 is: 5,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.92 : 18,376.42 = 3,931.36 : x
  2. Step 2: Convert to fraction form
    12,252.92/18,376.42 = 3,931.36/x
  3. Step 3: Cross multiply
    12,252.92x = 18,376.42 × 3,931.36
  4. Step 4: Simplify right side
    12,252.92x = 72,244,322.53
  5. Step 5: Solve for x
    x = 72,244,322.53/12,252.92
  6. Step 6: Final answer
    x = 5,896.09

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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.