Home / 8,108.33-11,189.28-4,523.40

Finding the Fourth Proportional to 8,108.33, 11,189.28 and 4,523.40

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Solution

The fourth proportional to 8,108.33, 11,189.28 and 4,523.40 is: 6,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.33 : 11,189.28 = 4,523.40 : x
  2. Step 2: Convert to fraction form
    8,108.33/11,189.28 = 4,523.40/x
  3. Step 3: Cross multiply
    8,108.33x = 11,189.28 × 4,523.40
  4. Step 4: Simplify right side
    8,108.33x = 50,613,589.15
  5. Step 5: Solve for x
    x = 50,613,589.15/8,108.33
  6. Step 6: Final answer
    x = 6,242.17

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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.