Home / 7,561.48-11,348.22-3,181.96

Finding the Fourth Proportional to 7,561.48, 11,348.22 and 3,181.96

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Solution

The fourth proportional to 7,561.48, 11,348.22 and 3,181.96 is: 4,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.48 : 11,348.22 = 3,181.96 : x
  2. Step 2: Convert to fraction form
    7,561.48/11,348.22 = 3,181.96/x
  3. Step 3: Cross multiply
    7,561.48x = 11,348.22 × 3,181.96
  4. Step 4: Simplify right side
    7,561.48x = 36,109,582.11
  5. Step 5: Solve for x
    x = 36,109,582.11/7,561.48
  6. Step 6: Final answer
    x = 4,775.46

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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.