Home / 7,715.73-11,570.14-2,449.24

Finding the Fourth Proportional to 7,715.73, 11,570.14 and 2,449.24

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Solution

The fourth proportional to 7,715.73, 11,570.14 and 2,449.24 is: 3,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.73 : 11,570.14 = 2,449.24 : x
  2. Step 2: Convert to fraction form
    7,715.73/11,570.14 = 2,449.24/x
  3. Step 3: Cross multiply
    7,715.73x = 11,570.14 × 2,449.24
  4. Step 4: Simplify right side
    7,715.73x = 28,338,049.69
  5. Step 5: Solve for x
    x = 28,338,049.69/7,715.73
  6. Step 6: Final answer
    x = 3,672.76

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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.