Home / 12,348.10-18,524.55-3,583.30

Finding the Fourth Proportional to 12,348.10, 18,524.55 and 3,583.30

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Solution

The fourth proportional to 12,348.10, 18,524.55 and 3,583.30 is: 5,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.10 : 18,524.55 = 3,583.30 : x
  2. Step 2: Convert to fraction form
    12,348.10/18,524.55 = 3,583.30/x
  3. Step 3: Cross multiply
    12,348.10x = 18,524.55 × 3,583.30
  4. Step 4: Simplify right side
    12,348.10x = 66,379,020.02
  5. Step 5: Solve for x
    x = 66,379,020.02/12,348.10
  6. Step 6: Final answer
    x = 5,375.65

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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.