Home / 8,071.14-11,138.20-4,486.16

Finding the Fourth Proportional to 8,071.14, 11,138.20 and 4,486.16

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Solution

The fourth proportional to 8,071.14, 11,138.20 and 4,486.16 is: 6,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.14 : 11,138.20 = 4,486.16 : x
  2. Step 2: Convert to fraction form
    8,071.14/11,138.20 = 4,486.16/x
  3. Step 3: Cross multiply
    8,071.14x = 11,138.20 × 4,486.16
  4. Step 4: Simplify right side
    8,071.14x = 49,967,747.31
  5. Step 5: Solve for x
    x = 49,967,747.31/8,071.14
  6. Step 6: Final answer
    x = 6,190.92

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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.