Home / 7,522.46-11,285-3,142.99

Finding the Fourth Proportional to 7,522.46, 11,285 and 3,142.99

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Solution

The fourth proportional to 7,522.46, 11,285 and 3,142.99 is: 4,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.46 : 11,285 = 3,142.99 : x
  2. Step 2: Convert to fraction form
    7,522.46/11,285 = 3,142.99/x
  3. Step 3: Cross multiply
    7,522.46x = 11,285 × 3,142.99
  4. Step 4: Simplify right side
    7,522.46x = 35,468,642.15
  5. Step 5: Solve for x
    x = 35,468,642.15/7,522.46
  6. Step 6: Final answer
    x = 4,715.03

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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.