Home / 12,451.28-17,182.44-6,862.32

Finding the Fourth Proportional to 12,451.28, 17,182.44 and 6,862.32

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Solution

The fourth proportional to 12,451.28, 17,182.44 and 6,862.32 is: 9,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.28 : 17,182.44 = 6,862.32 : x
  2. Step 2: Convert to fraction form
    12,451.28/17,182.44 = 6,862.32/x
  3. Step 3: Cross multiply
    12,451.28x = 17,182.44 × 6,862.32
  4. Step 4: Simplify right side
    12,451.28x = 117,911,401.66
  5. Step 5: Solve for x
    x = 117,911,401.66/12,451.28
  6. Step 6: Final answer
    x = 9,469.82

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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.