Home / 6,924.99-9,556.65-3,781.20

Finding the Fourth Proportional to 6,924.99, 9,556.65 and 3,781.20

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Solution

The fourth proportional to 6,924.99, 9,556.65 and 3,781.20 is: 5,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.99 : 9,556.65 = 3,781.20 : x
  2. Step 2: Convert to fraction form
    6,924.99/9,556.65 = 3,781.20/x
  3. Step 3: Cross multiply
    6,924.99x = 9,556.65 × 3,781.20
  4. Step 4: Simplify right side
    6,924.99x = 36,135,604.98
  5. Step 5: Solve for x
    x = 36,135,604.98/6,924.99
  6. Step 6: Final answer
    x = 5,218.15

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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.