Home / 12,125.43-18,173.57-6,578.55

Finding the Fourth Proportional to 12,125.43, 18,173.57 and 6,578.55

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Solution

The fourth proportional to 12,125.43, 18,173.57 and 6,578.55 is: 9,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.43 : 18,173.57 = 6,578.55 : x
  2. Step 2: Convert to fraction form
    12,125.43/18,173.57 = 6,578.55/x
  3. Step 3: Cross multiply
    12,125.43x = 18,173.57 × 6,578.55
  4. Step 4: Simplify right side
    12,125.43x = 119,555,706.03
  5. Step 5: Solve for x
    x = 119,555,706.03/12,125.43
  6. Step 6: Final answer
    x = 9,859.91

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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.