Home / 6,992.08-9,649.76-5,220.62

Finding the Fourth Proportional to 6,992.08, 9,649.76 and 5,220.62

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Solution

The fourth proportional to 6,992.08, 9,649.76 and 5,220.62 is: 7,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.08 : 9,649.76 = 5,220.62 : x
  2. Step 2: Convert to fraction form
    6,992.08/9,649.76 = 5,220.62/x
  3. Step 3: Cross multiply
    6,992.08x = 9,649.76 × 5,220.62
  4. Step 4: Simplify right side
    6,992.08x = 50,377,730.05
  5. Step 5: Solve for x
    x = 50,377,730.05/6,992.08
  6. Step 6: Final answer
    x = 7,204.97

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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.