Home / 7,715.17-11,573.15-2,450.60

Finding the Fourth Proportional to 7,715.17, 11,573.15 and 2,450.60

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Solution

The fourth proportional to 7,715.17, 11,573.15 and 2,450.60 is: 3,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.17 : 11,573.15 = 2,450.60 : x
  2. Step 2: Convert to fraction form
    7,715.17/11,573.15 = 2,450.60/x
  3. Step 3: Cross multiply
    7,715.17x = 11,573.15 × 2,450.60
  4. Step 4: Simplify right side
    7,715.17x = 28,361,103.52
  5. Step 5: Solve for x
    x = 28,361,103.52/7,715.17
  6. Step 6: Final answer
    x = 3,676.02

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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.