Home / 7,985.06-11,972.57-2,436.56

Finding the Fourth Proportional to 7,985.06, 11,972.57 and 2,436.56

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Solution

The fourth proportional to 7,985.06, 11,972.57 and 2,436.56 is: 3,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.06 : 11,972.57 = 2,436.56 : x
  2. Step 2: Convert to fraction form
    7,985.06/11,972.57 = 2,436.56/x
  3. Step 3: Cross multiply
    7,985.06x = 11,972.57 × 2,436.56
  4. Step 4: Simplify right side
    7,985.06x = 29,171,885.16
  5. Step 5: Solve for x
    x = 29,171,885.16/7,985.06
  6. Step 6: Final answer
    x = 3,653.31

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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.