Home / 7,749.80-11,618.16-3,363.95

Finding the Fourth Proportional to 7,749.80, 11,618.16 and 3,363.95

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Solution

The fourth proportional to 7,749.80, 11,618.16 and 3,363.95 is: 5,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.80 : 11,618.16 = 3,363.95 : x
  2. Step 2: Convert to fraction form
    7,749.80/11,618.16 = 3,363.95/x
  3. Step 3: Cross multiply
    7,749.80x = 11,618.16 × 3,363.95
  4. Step 4: Simplify right side
    7,749.80x = 39,082,909.33
  5. Step 5: Solve for x
    x = 39,082,909.33/7,749.80
  6. Step 6: Final answer
    x = 5,043.09

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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.