Home / 8,158.53-11,258.37-4,621.75

Finding the Fourth Proportional to 8,158.53, 11,258.37 and 4,621.75

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Solution

The fourth proportional to 8,158.53, 11,258.37 and 4,621.75 is: 6,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.53 : 11,258.37 = 4,621.75 : x
  2. Step 2: Convert to fraction form
    8,158.53/11,258.37 = 4,621.75/x
  3. Step 3: Cross multiply
    8,158.53x = 11,258.37 × 4,621.75
  4. Step 4: Simplify right side
    8,158.53x = 52,033,371.55
  5. Step 5: Solve for x
    x = 52,033,371.55/8,158.53
  6. Step 6: Final answer
    x = 6,377.79

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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.