Home / 8,157.87-11,258.19-4,621.41

Finding the Fourth Proportional to 8,157.87, 11,258.19 and 4,621.41

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Solution

The fourth proportional to 8,157.87, 11,258.19 and 4,621.41 is: 6,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.87 : 11,258.19 = 4,621.41 : x
  2. Step 2: Convert to fraction form
    8,157.87/11,258.19 = 4,621.41/x
  3. Step 3: Cross multiply
    8,157.87x = 11,258.19 × 4,621.41
  4. Step 4: Simplify right side
    8,157.87x = 52,028,711.85
  5. Step 5: Solve for x
    x = 52,028,711.85/8,157.87
  6. Step 6: Final answer
    x = 6,377.73

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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.