Home / 8,514.16-11,747.78-4,976.69

Finding the Fourth Proportional to 8,514.16, 11,747.78 and 4,976.69

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Solution

The fourth proportional to 8,514.16, 11,747.78 and 4,976.69 is: 6,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.16 : 11,747.78 = 4,976.69 : x
  2. Step 2: Convert to fraction form
    8,514.16/11,747.78 = 4,976.69/x
  3. Step 3: Cross multiply
    8,514.16x = 11,747.78 × 4,976.69
  4. Step 4: Simplify right side
    8,514.16x = 58,465,088.36
  5. Step 5: Solve for x
    x = 58,465,088.36/8,514.16
  6. Step 6: Final answer
    x = 6,866.80

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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.