Home / 8,076.29-11,145.11-4,491.32

Finding the Fourth Proportional to 8,076.29, 11,145.11 and 4,491.32

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Solution

The fourth proportional to 8,076.29, 11,145.11 and 4,491.32 is: 6,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.29 : 11,145.11 = 4,491.32 : x
  2. Step 2: Convert to fraction form
    8,076.29/11,145.11 = 4,491.32/x
  3. Step 3: Cross multiply
    8,076.29x = 11,145.11 × 4,491.32
  4. Step 4: Simplify right side
    8,076.29x = 50,056,177.26
  5. Step 5: Solve for x
    x = 50,056,177.26/8,076.29
  6. Step 6: Final answer
    x = 6,197.92

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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.