Home / 12,083.04-18,125.40-3,762

Finding the Fourth Proportional to 12,083.04, 18,125.40 and 3,762

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Solution

The fourth proportional to 12,083.04, 18,125.40 and 3,762 is: 5,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.04 : 18,125.40 = 3,762 : x
  2. Step 2: Convert to fraction form
    12,083.04/18,125.40 = 3,762/x
  3. Step 3: Cross multiply
    12,083.04x = 18,125.40 × 3,762
  4. Step 4: Simplify right side
    12,083.04x = 68,187,754.80
  5. Step 5: Solve for x
    x = 68,187,754.80/12,083.04
  6. Step 6: Final answer
    x = 5,643.26

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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.