Home / 8,575.83-11,837.13-4,991.61

Finding the Fourth Proportional to 8,575.83, 11,837.13 and 4,991.61

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Solution

The fourth proportional to 8,575.83, 11,837.13 and 4,991.61 is: 6,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.83 : 11,837.13 = 4,991.61 : x
  2. Step 2: Convert to fraction form
    8,575.83/11,837.13 = 4,991.61/x
  3. Step 3: Cross multiply
    8,575.83x = 11,837.13 × 4,991.61
  4. Step 4: Simplify right side
    8,575.83x = 59,086,336.48
  5. Step 5: Solve for x
    x = 59,086,336.48/8,575.83
  6. Step 6: Final answer
    x = 6,889.87

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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.