Home / 7,492.68-11,236.62-3,107.80

Finding the Fourth Proportional to 7,492.68, 11,236.62 and 3,107.80

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Solution

The fourth proportional to 7,492.68, 11,236.62 and 3,107.80 is: 4,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.68 : 11,236.62 = 3,107.80 : x
  2. Step 2: Convert to fraction form
    7,492.68/11,236.62 = 3,107.80/x
  3. Step 3: Cross multiply
    7,492.68x = 11,236.62 × 3,107.80
  4. Step 4: Simplify right side
    7,492.68x = 34,921,167.64
  5. Step 5: Solve for x
    x = 34,921,167.64/7,492.68
  6. Step 6: Final answer
    x = 4,660.70

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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.