Home / 8,080.30-11,150.89-4,936.49

Finding the Fourth Proportional to 8,080.30, 11,150.89 and 4,936.49

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Solution

The fourth proportional to 8,080.30, 11,150.89 and 4,936.49 is: 6,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.30 : 11,150.89 = 4,936.49 : x
  2. Step 2: Convert to fraction form
    8,080.30/11,150.89 = 4,936.49/x
  3. Step 3: Cross multiply
    8,080.30x = 11,150.89 × 4,936.49
  4. Step 4: Simplify right side
    8,080.30x = 55,046,256.98
  5. Step 5: Solve for x
    x = 55,046,256.98/8,080.30
  6. Step 6: Final answer
    x = 6,812.40

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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.