Home / 6,113.88-8,438.22-3,462.12

Finding the Fourth Proportional to 6,113.88, 8,438.22 and 3,462.12

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Solution

The fourth proportional to 6,113.88, 8,438.22 and 3,462.12 is: 4,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.88 : 8,438.22 = 3,462.12 : x
  2. Step 2: Convert to fraction form
    6,113.88/8,438.22 = 3,462.12/x
  3. Step 3: Cross multiply
    6,113.88x = 8,438.22 × 3,462.12
  4. Step 4: Simplify right side
    6,113.88x = 29,214,130.23
  5. Step 5: Solve for x
    x = 29,214,130.23/6,113.88
  6. Step 6: Final answer
    x = 4,778.33

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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.