Home / 12,451.25-17,182.73-6,862.25

Finding the Fourth Proportional to 12,451.25, 17,182.73 and 6,862.25

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Solution

The fourth proportional to 12,451.25, 17,182.73 and 6,862.25 is: 9,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.25 : 17,182.73 = 6,862.25 : x
  2. Step 2: Convert to fraction form
    12,451.25/17,182.73 = 6,862.25/x
  3. Step 3: Cross multiply
    12,451.25x = 17,182.73 × 6,862.25
  4. Step 4: Simplify right side
    12,451.25x = 117,912,188.94
  5. Step 5: Solve for x
    x = 117,912,188.94/12,451.25
  6. Step 6: Final answer
    x = 9,469.91

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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.