Home / 6,103.18-9,149.30-3,178.13

Finding the Fourth Proportional to 6,103.18, 9,149.30 and 3,178.13

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Solution

The fourth proportional to 6,103.18, 9,149.30 and 3,178.13 is: 4,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.18 : 9,149.30 = 3,178.13 : x
  2. Step 2: Convert to fraction form
    6,103.18/9,149.30 = 3,178.13/x
  3. Step 3: Cross multiply
    6,103.18x = 9,149.30 × 3,178.13
  4. Step 4: Simplify right side
    6,103.18x = 29,077,648.92
  5. Step 5: Solve for x
    x = 29,077,648.92/6,103.18
  6. Step 6: Final answer
    x = 4,764.35

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1.5x scale

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.