Home / 8,079.07-11,148.82-4,542.61

Finding the Fourth Proportional to 8,079.07, 11,148.82 and 4,542.61

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Solution

The fourth proportional to 8,079.07, 11,148.82 and 4,542.61 is: 6,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.07 : 11,148.82 = 4,542.61 : x
  2. Step 2: Convert to fraction form
    8,079.07/11,148.82 = 4,542.61/x
  3. Step 3: Cross multiply
    8,079.07x = 11,148.82 × 4,542.61
  4. Step 4: Simplify right side
    8,079.07x = 50,644,741.22
  5. Step 5: Solve for x
    x = 50,644,741.22/8,079.07
  6. Step 6: Final answer
    x = 6,268.64

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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.