Home / 6,922.21-9,552.51-3,778.42

Finding the Fourth Proportional to 6,922.21, 9,552.51 and 3,778.42

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Solution

The fourth proportional to 6,922.21, 9,552.51 and 3,778.42 is: 5,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.21 : 9,552.51 = 3,778.42 : x
  2. Step 2: Convert to fraction form
    6,922.21/9,552.51 = 3,778.42/x
  3. Step 3: Cross multiply
    6,922.21x = 9,552.51 × 3,778.42
  4. Step 4: Simplify right side
    6,922.21x = 36,093,328.18
  5. Step 5: Solve for x
    x = 36,093,328.18/6,922.21
  6. Step 6: Final answer
    x = 5,214.14

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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.