Home / 8,515.26-11,747.25-4,976.91

Finding the Fourth Proportional to 8,515.26, 11,747.25 and 4,976.91

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Solution

The fourth proportional to 8,515.26, 11,747.25 and 4,976.91 is: 6,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.26 : 11,747.25 = 4,976.91 : x
  2. Step 2: Convert to fraction form
    8,515.26/11,747.25 = 4,976.91/x
  3. Step 3: Cross multiply
    8,515.26x = 11,747.25 × 4,976.91
  4. Step 4: Simplify right side
    8,515.26x = 58,465,006.00
  5. Step 5: Solve for x
    x = 58,465,006.00/8,515.26
  6. Step 6: Final answer
    x = 6,865.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.