Home / 12,459.91-17,194.21-6,794.55

Finding the Fourth Proportional to 12,459.91, 17,194.21 and 6,794.55

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Solution

The fourth proportional to 12,459.91, 17,194.21 and 6,794.55 is: 9,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.91 : 17,194.21 = 6,794.55 : x
  2. Step 2: Convert to fraction form
    12,459.91/17,194.21 = 6,794.55/x
  3. Step 3: Cross multiply
    12,459.91x = 17,194.21 × 6,794.55
  4. Step 4: Simplify right side
    12,459.91x = 116,826,919.56
  5. Step 5: Solve for x
    x = 116,826,919.56/12,459.91
  6. Step 6: Final answer
    x = 9,376.22

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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.