Home / 7,997.76-11,038.91-5,168.33

Finding the Fourth Proportional to 7,997.76, 11,038.91 and 5,168.33

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Solution

The fourth proportional to 7,997.76, 11,038.91 and 5,168.33 is: 7,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.76 : 11,038.91 = 5,168.33 : x
  2. Step 2: Convert to fraction form
    7,997.76/11,038.91 = 5,168.33/x
  3. Step 3: Cross multiply
    7,997.76x = 11,038.91 × 5,168.33
  4. Step 4: Simplify right side
    7,997.76x = 57,052,729.72
  5. Step 5: Solve for x
    x = 57,052,729.72/7,997.76
  6. Step 6: Final answer
    x = 7,133.59

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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.