Home / 12,626.90-17,425.25-6,961.85

Finding the Fourth Proportional to 12,626.90, 17,425.25 and 6,961.85

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Solution

The fourth proportional to 12,626.90, 17,425.25 and 6,961.85 is: 9,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.90 : 17,425.25 = 6,961.85 : x
  2. Step 2: Convert to fraction form
    12,626.90/17,425.25 = 6,961.85/x
  3. Step 3: Cross multiply
    12,626.90x = 17,425.25 × 6,961.85
  4. Step 4: Simplify right side
    12,626.90x = 121,311,976.71
  5. Step 5: Solve for x
    x = 121,311,976.71/12,626.90
  6. Step 6: Final answer
    x = 9,607.42

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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.