Home / 8,286.13-11,431.02-4,927.06

Finding the Fourth Proportional to 8,286.13, 11,431.02 and 4,927.06

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Solution

The fourth proportional to 8,286.13, 11,431.02 and 4,927.06 is: 6,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.13 : 11,431.02 = 4,927.06 : x
  2. Step 2: Convert to fraction form
    8,286.13/11,431.02 = 4,927.06/x
  3. Step 3: Cross multiply
    8,286.13x = 11,431.02 × 4,927.06
  4. Step 4: Simplify right side
    8,286.13x = 56,321,321.40
  5. Step 5: Solve for x
    x = 56,321,321.40/8,286.13
  6. Step 6: Final answer
    x = 6,797.06

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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.