Home / 8,106.74-11,181.75-4,964.48

Finding the Fourth Proportional to 8,106.74, 11,181.75 and 4,964.48

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Solution

The fourth proportional to 8,106.74, 11,181.75 and 4,964.48 is: 6,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.74 : 11,181.75 = 4,964.48 : x
  2. Step 2: Convert to fraction form
    8,106.74/11,181.75 = 4,964.48/x
  3. Step 3: Cross multiply
    8,106.74x = 11,181.75 × 4,964.48
  4. Step 4: Simplify right side
    8,106.74x = 55,511,574.24
  5. Step 5: Solve for x
    x = 55,511,574.24/8,106.74
  6. Step 6: Final answer
    x = 6,847.58

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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.