Home / 6,992.52-10,478.39-5,515.33

Finding the Fourth Proportional to 6,992.52, 10,478.39 and 5,515.33

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Solution

The fourth proportional to 6,992.52, 10,478.39 and 5,515.33 is: 8,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.52 : 10,478.39 = 5,515.33 : x
  2. Step 2: Convert to fraction form
    6,992.52/10,478.39 = 5,515.33/x
  3. Step 3: Cross multiply
    6,992.52x = 10,478.39 × 5,515.33
  4. Step 4: Simplify right side
    6,992.52x = 57,791,778.72
  5. Step 5: Solve for x
    x = 57,791,778.72/6,992.52
  6. Step 6: Final answer
    x = 8,264.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.