Home / 12,376.04-18,523.94-7,936.44

Finding the Fourth Proportional to 12,376.04, 18,523.94 and 7,936.44

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Solution

The fourth proportional to 12,376.04, 18,523.94 and 7,936.44 is: 11,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.04 : 18,523.94 = 7,936.44 : x
  2. Step 2: Convert to fraction form
    12,376.04/18,523.94 = 7,936.44/x
  3. Step 3: Cross multiply
    12,376.04x = 18,523.94 × 7,936.44
  4. Step 4: Simplify right side
    12,376.04x = 147,014,138.37
  5. Step 5: Solve for x
    x = 147,014,138.37/12,376.04
  6. Step 6: Final answer
    x = 11,878.93

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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.