Home / 7,654.77-11,485.07-3,954.69

Finding the Fourth Proportional to 7,654.77, 11,485.07 and 3,954.69

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Solution

The fourth proportional to 7,654.77, 11,485.07 and 3,954.69 is: 5,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.77 : 11,485.07 = 3,954.69 : x
  2. Step 2: Convert to fraction form
    7,654.77/11,485.07 = 3,954.69/x
  3. Step 3: Cross multiply
    7,654.77x = 11,485.07 × 3,954.69
  4. Step 4: Simplify right side
    7,654.77x = 45,419,871.70
  5. Step 5: Solve for x
    x = 45,419,871.70/7,654.77
  6. Step 6: Final answer
    x = 5,933.54

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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.