Home / 8,481.20-11,705.46-4,705.58

Finding the Fourth Proportional to 8,481.20, 11,705.46 and 4,705.58

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Solution

The fourth proportional to 8,481.20, 11,705.46 and 4,705.58 is: 6,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.20 : 11,705.46 = 4,705.58 : x
  2. Step 2: Convert to fraction form
    8,481.20/11,705.46 = 4,705.58/x
  3. Step 3: Cross multiply
    8,481.20x = 11,705.46 × 4,705.58
  4. Step 4: Simplify right side
    8,481.20x = 55,080,987.22
  5. Step 5: Solve for x
    x = 55,080,987.22/8,481.20
  6. Step 6: Final answer
    x = 6,494.48

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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.