Home / 7,586.12-11,380.98-2,391.99

Finding the Fourth Proportional to 7,586.12, 11,380.98 and 2,391.99

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Solution

The fourth proportional to 7,586.12, 11,380.98 and 2,391.99 is: 3,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.12 : 11,380.98 = 2,391.99 : x
  2. Step 2: Convert to fraction form
    7,586.12/11,380.98 = 2,391.99/x
  3. Step 3: Cross multiply
    7,586.12x = 11,380.98 × 2,391.99
  4. Step 4: Simplify right side
    7,586.12x = 27,223,190.35
  5. Step 5: Solve for x
    x = 27,223,190.35/7,586.12
  6. Step 6: Final answer
    x = 3,588.55

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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.