Home / 8,165.12-11,268.66-4,580.69

Finding the Fourth Proportional to 8,165.12, 11,268.66 and 4,580.69

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Solution

The fourth proportional to 8,165.12, 11,268.66 and 4,580.69 is: 6,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.12 : 11,268.66 = 4,580.69 : x
  2. Step 2: Convert to fraction form
    8,165.12/11,268.66 = 4,580.69/x
  3. Step 3: Cross multiply
    8,165.12x = 11,268.66 × 4,580.69
  4. Step 4: Simplify right side
    8,165.12x = 51,618,238.18
  5. Step 5: Solve for x
    x = 51,618,238.18/8,165.12
  6. Step 6: Final answer
    x = 6,321.80

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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.