Home / 6,626.25-9,914.85-3,995.28

Finding the Fourth Proportional to 6,626.25, 9,914.85 and 3,995.28

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Solution

The fourth proportional to 6,626.25, 9,914.85 and 3,995.28 is: 5,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.25 : 9,914.85 = 3,995.28 : x
  2. Step 2: Convert to fraction form
    6,626.25/9,914.85 = 3,995.28/x
  3. Step 3: Cross multiply
    6,626.25x = 9,914.85 × 3,995.28
  4. Step 4: Simplify right side
    6,626.25x = 39,612,601.91
  5. Step 5: Solve for x
    x = 39,612,601.91/6,626.25
  6. Step 6: Final answer
    x = 5,978.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.