Home / 8,146.08-12,220.65-3,704.07

Finding the Fourth Proportional to 8,146.08, 12,220.65 and 3,704.07

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Solution

The fourth proportional to 8,146.08, 12,220.65 and 3,704.07 is: 5,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.08 : 12,220.65 = 3,704.07 : x
  2. Step 2: Convert to fraction form
    8,146.08/12,220.65 = 3,704.07/x
  3. Step 3: Cross multiply
    8,146.08x = 12,220.65 × 3,704.07
  4. Step 4: Simplify right side
    8,146.08x = 45,266,143.05
  5. Step 5: Solve for x
    x = 45,266,143.05/8,146.08
  6. Step 6: Final answer
    x = 5,556.80

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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.