Home / 9,487.82-13,093.91-5,239.69

Finding the Fourth Proportional to 9,487.82, 13,093.91 and 5,239.69

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Solution

The fourth proportional to 9,487.82, 13,093.91 and 5,239.69 is: 7,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.82 : 13,093.91 = 5,239.69 : x
  2. Step 2: Convert to fraction form
    9,487.82/13,093.91 = 5,239.69/x
  3. Step 3: Cross multiply
    9,487.82x = 13,093.91 × 5,239.69
  4. Step 4: Simplify right side
    9,487.82x = 68,608,029.29
  5. Step 5: Solve for x
    x = 68,608,029.29/9,487.82
  6. Step 6: Final answer
    x = 7,231.17

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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.