Home / 7,613.52-11,423.82-2,686.86

Finding the Fourth Proportional to 7,613.52, 11,423.82 and 2,686.86

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Solution

The fourth proportional to 7,613.52, 11,423.82 and 2,686.86 is: 4,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.52 : 11,423.82 = 2,686.86 : x
  2. Step 2: Convert to fraction form
    7,613.52/11,423.82 = 2,686.86/x
  3. Step 3: Cross multiply
    7,613.52x = 11,423.82 × 2,686.86
  4. Step 4: Simplify right side
    7,613.52x = 30,694,205.01
  5. Step 5: Solve for x
    x = 30,694,205.01/7,613.52
  6. Step 6: Final answer
    x = 4,031.54

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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.