Home / 8,051.22-12,079.56-7,274.84

Finding the Fourth Proportional to 8,051.22, 12,079.56 and 7,274.84

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Solution

The fourth proportional to 8,051.22, 12,079.56 and 7,274.84 is: 10,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.22 : 12,079.56 = 7,274.84 : x
  2. Step 2: Convert to fraction form
    8,051.22/12,079.56 = 7,274.84/x
  3. Step 3: Cross multiply
    8,051.22x = 12,079.56 × 7,274.84
  4. Step 4: Simplify right side
    8,051.22x = 87,876,805.87
  5. Step 5: Solve for x
    x = 87,876,805.87/8,051.22
  6. Step 6: Final answer
    x = 10,914.72

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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.