Home / 7,589.49-11,390.12-5,265.80

Finding the Fourth Proportional to 7,589.49, 11,390.12 and 5,265.80

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Solution

The fourth proportional to 7,589.49, 11,390.12 and 5,265.80 is: 7,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.49 : 11,390.12 = 5,265.80 : x
  2. Step 2: Convert to fraction form
    7,589.49/11,390.12 = 5,265.80/x
  3. Step 3: Cross multiply
    7,589.49x = 11,390.12 × 5,265.80
  4. Step 4: Simplify right side
    7,589.49x = 59,978,093.90
  5. Step 5: Solve for x
    x = 59,978,093.90/7,589.49
  6. Step 6: Final answer
    x = 7,902.78

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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.