Home / 7,965.63-11,948.04-2,122.24

Finding the Fourth Proportional to 7,965.63, 11,948.04 and 2,122.24

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Solution

The fourth proportional to 7,965.63, 11,948.04 and 2,122.24 is: 3,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.63 : 11,948.04 = 2,122.24 : x
  2. Step 2: Convert to fraction form
    7,965.63/11,948.04 = 2,122.24/x
  3. Step 3: Cross multiply
    7,965.63x = 11,948.04 × 2,122.24
  4. Step 4: Simplify right side
    7,965.63x = 25,356,608.41
  5. Step 5: Solve for x
    x = 25,356,608.41/7,965.63
  6. Step 6: Final answer
    x = 3,183.25

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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.