Home / 8,040.82-11,088.91-5,518.48

Finding the Fourth Proportional to 8,040.82, 11,088.91 and 5,518.48

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Solution

The fourth proportional to 8,040.82, 11,088.91 and 5,518.48 is: 7,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.82 : 11,088.91 = 5,518.48 : x
  2. Step 2: Convert to fraction form
    8,040.82/11,088.91 = 5,518.48/x
  3. Step 3: Cross multiply
    8,040.82x = 11,088.91 × 5,518.48
  4. Step 4: Simplify right side
    8,040.82x = 61,193,928.06
  5. Step 5: Solve for x
    x = 61,193,928.06/8,040.82
  6. Step 6: Final answer
    x = 7,610.41

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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.