Home / 8,165.28-11,268.32-4,629.04

Finding the Fourth Proportional to 8,165.28, 11,268.32 and 4,629.04

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Solution

The fourth proportional to 8,165.28, 11,268.32 and 4,629.04 is: 6,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.28 : 11,268.32 = 4,629.04 : x
  2. Step 2: Convert to fraction form
    8,165.28/11,268.32 = 4,629.04/x
  3. Step 3: Cross multiply
    8,165.28x = 11,268.32 × 4,629.04
  4. Step 4: Simplify right side
    8,165.28x = 52,161,504.01
  5. Step 5: Solve for x
    x = 52,161,504.01/8,165.28
  6. Step 6: Final answer
    x = 6,388.21

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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.