Home / 8,107.34-11,188.14-4,381.34

Finding the Fourth Proportional to 8,107.34, 11,188.14 and 4,381.34

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Solution

The fourth proportional to 8,107.34, 11,188.14 and 4,381.34 is: 6,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.34 : 11,188.14 = 4,381.34 : x
  2. Step 2: Convert to fraction form
    8,107.34/11,188.14 = 4,381.34/x
  3. Step 3: Cross multiply
    8,107.34x = 11,188.14 × 4,381.34
  4. Step 4: Simplify right side
    8,107.34x = 49,019,045.31
  5. Step 5: Solve for x
    x = 49,019,045.31/8,107.34
  6. Step 6: Final answer
    x = 6,046.26

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Half scale
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Double scale
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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.