Home / 8,079.63-11,149.83-4,542.84

Finding the Fourth Proportional to 8,079.63, 11,149.83 and 4,542.84

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Solution

The fourth proportional to 8,079.63, 11,149.83 and 4,542.84 is: 6,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.63 : 11,149.83 = 4,542.84 : x
  2. Step 2: Convert to fraction form
    8,079.63/11,149.83 = 4,542.84/x
  3. Step 3: Cross multiply
    8,079.63x = 11,149.83 × 4,542.84
  4. Step 4: Simplify right side
    8,079.63x = 50,651,893.72
  5. Step 5: Solve for x
    x = 50,651,893.72/8,079.63
  6. Step 6: Final answer
    x = 6,269.09

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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.