Home / 8,189.17-11,305.35-5,514.46

Finding the Fourth Proportional to 8,189.17, 11,305.35 and 5,514.46

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Solution

The fourth proportional to 8,189.17, 11,305.35 and 5,514.46 is: 7,612.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.17 : 11,305.35 = 5,514.46 : x
  2. Step 2: Convert to fraction form
    8,189.17/11,305.35 = 5,514.46/x
  3. Step 3: Cross multiply
    8,189.17x = 11,305.35 × 5,514.46
  4. Step 4: Simplify right side
    8,189.17x = 62,342,872.10
  5. Step 5: Solve for x
    x = 62,342,872.10/8,189.17
  6. Step 6: Final answer
    x = 7,612.85

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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.