Home / 7,511.88-11,239.92-4,725.54

Finding the Fourth Proportional to 7,511.88, 11,239.92 and 4,725.54

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Solution

The fourth proportional to 7,511.88, 11,239.92 and 4,725.54 is: 7,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.88 : 11,239.92 = 4,725.54 : x
  2. Step 2: Convert to fraction form
    7,511.88/11,239.92 = 4,725.54/x
  3. Step 3: Cross multiply
    7,511.88x = 11,239.92 × 4,725.54
  4. Step 4: Simplify right side
    7,511.88x = 53,114,691.56
  5. Step 5: Solve for x
    x = 53,114,691.56/7,511.88
  6. Step 6: Final answer
    x = 7,070.76

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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.