Home / 8,076.66-11,145.51-4,491.60

Finding the Fourth Proportional to 8,076.66, 11,145.51 and 4,491.60

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Solution

The fourth proportional to 8,076.66, 11,145.51 and 4,491.60 is: 6,198.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.66 : 11,145.51 = 4,491.60 : x
  2. Step 2: Convert to fraction form
    8,076.66/11,145.51 = 4,491.60/x
  3. Step 3: Cross multiply
    8,076.66x = 11,145.51 × 4,491.60
  4. Step 4: Simplify right side
    8,076.66x = 50,061,172.72
  5. Step 5: Solve for x
    x = 50,061,172.72/8,076.66
  6. Step 6: Final answer
    x = 6,198.25

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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.