Home / 8,057.41-11,118.87-4,871.48

Finding the Fourth Proportional to 8,057.41, 11,118.87 and 4,871.48

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Solution

The fourth proportional to 8,057.41, 11,118.87 and 4,871.48 is: 6,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.41 : 11,118.87 = 4,871.48 : x
  2. Step 2: Convert to fraction form
    8,057.41/11,118.87 = 4,871.48/x
  3. Step 3: Cross multiply
    8,057.41x = 11,118.87 × 4,871.48
  4. Step 4: Simplify right side
    8,057.41x = 54,165,297.23
  5. Step 5: Solve for x
    x = 54,165,297.23/8,057.41
  6. Step 6: Final answer
    x = 6,722.42

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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.