Home / 12,305.55-18,467.97-8,583.57

Finding the Fourth Proportional to 12,305.55, 18,467.97 and 8,583.57

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Solution

The fourth proportional to 12,305.55, 18,467.97 and 8,583.57 is: 12,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.55 : 18,467.97 = 8,583.57 : x
  2. Step 2: Convert to fraction form
    12,305.55/18,467.97 = 8,583.57/x
  3. Step 3: Cross multiply
    12,305.55x = 18,467.97 × 8,583.57
  4. Step 4: Simplify right side
    12,305.55x = 158,521,081.06
  5. Step 5: Solve for x
    x = 158,521,081.06/12,305.55
  6. Step 6: Final answer
    x = 12,882.08

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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.