Home / 8,080.96-11,152.80-5,991.04

Finding the Fourth Proportional to 8,080.96, 11,152.80 and 5,991.04

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Solution

The fourth proportional to 8,080.96, 11,152.80 and 5,991.04 is: 8,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.96 : 11,152.80 = 5,991.04 : x
  2. Step 2: Convert to fraction form
    8,080.96/11,152.80 = 5,991.04/x
  3. Step 3: Cross multiply
    8,080.96x = 11,152.80 × 5,991.04
  4. Step 4: Simplify right side
    8,080.96x = 66,816,870.91
  5. Step 5: Solve for x
    x = 66,816,870.91/8,080.96
  6. Step 6: Final answer
    x = 8,268.43

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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.