Home / 8,077.02-11,146.26-4,491.90

Finding the Fourth Proportional to 8,077.02, 11,146.26 and 4,491.90

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Solution

The fourth proportional to 8,077.02, 11,146.26 and 4,491.90 is: 6,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.02 : 11,146.26 = 4,491.90 : x
  2. Step 2: Convert to fraction form
    8,077.02/11,146.26 = 4,491.90/x
  3. Step 3: Cross multiply
    8,077.02x = 11,146.26 × 4,491.90
  4. Step 4: Simplify right side
    8,077.02x = 50,067,885.29
  5. Step 5: Solve for x
    x = 50,067,885.29/8,077.02
  6. Step 6: Final answer
    x = 6,198.81

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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.