Home / 8,481.29-11,700.15-5,649.98

Finding the Fourth Proportional to 8,481.29, 11,700.15 and 5,649.98

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Solution

The fourth proportional to 8,481.29, 11,700.15 and 5,649.98 is: 7,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.29 : 11,700.15 = 5,649.98 : x
  2. Step 2: Convert to fraction form
    8,481.29/11,700.15 = 5,649.98/x
  3. Step 3: Cross multiply
    8,481.29x = 11,700.15 × 5,649.98
  4. Step 4: Simplify right side
    8,481.29x = 66,105,613.50
  5. Step 5: Solve for x
    x = 66,105,613.50/8,481.29
  6. Step 6: Final answer
    x = 7,794.29

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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.