Home / 7,522.20-11,287.62-5,874.12

Finding the Fourth Proportional to 7,522.20, 11,287.62 and 5,874.12

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Solution

The fourth proportional to 7,522.20, 11,287.62 and 5,874.12 is: 8,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.20 : 11,287.62 = 5,874.12 : x
  2. Step 2: Convert to fraction form
    7,522.20/11,287.62 = 5,874.12/x
  3. Step 3: Cross multiply
    7,522.20x = 11,287.62 × 5,874.12
  4. Step 4: Simplify right side
    7,522.20x = 66,304,834.39
  5. Step 5: Solve for x
    x = 66,304,834.39/7,522.20
  6. Step 6: Final answer
    x = 8,814.55

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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.