Home / 7,653.89-11,481.98-2,722.34

Finding the Fourth Proportional to 7,653.89, 11,481.98 and 2,722.34

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Solution

The fourth proportional to 7,653.89, 11,481.98 and 2,722.34 is: 4,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.89 : 11,481.98 = 2,722.34 : x
  2. Step 2: Convert to fraction form
    7,653.89/11,481.98 = 2,722.34/x
  3. Step 3: Cross multiply
    7,653.89x = 11,481.98 × 2,722.34
  4. Step 4: Simplify right side
    7,653.89x = 31,257,868.53
  5. Step 5: Solve for x
    x = 31,257,868.53/7,653.89
  6. Step 6: Final answer
    x = 4,083.92

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1.5x scale

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.