Home / 7,651.14-11,476.76-2,105.07

Finding the Fourth Proportional to 7,651.14, 11,476.76 and 2,105.07

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Solution

The fourth proportional to 7,651.14, 11,476.76 and 2,105.07 is: 3,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.14 : 11,476.76 = 2,105.07 : x
  2. Step 2: Convert to fraction form
    7,651.14/11,476.76 = 2,105.07/x
  3. Step 3: Cross multiply
    7,651.14x = 11,476.76 × 2,105.07
  4. Step 4: Simplify right side
    7,651.14x = 24,159,372.65
  5. Step 5: Solve for x
    x = 24,159,372.65/7,651.14
  6. Step 6: Final answer
    x = 3,157.62

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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.