Home / 6,650.73-9,178.80-3,818.43

Finding the Fourth Proportional to 6,650.73, 9,178.80 and 3,818.43

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Solution

The fourth proportional to 6,650.73, 9,178.80 and 3,818.43 is: 5,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.73 : 9,178.80 = 3,818.43 : x
  2. Step 2: Convert to fraction form
    6,650.73/9,178.80 = 3,818.43/x
  3. Step 3: Cross multiply
    6,650.73x = 9,178.80 × 3,818.43
  4. Step 4: Simplify right side
    6,650.73x = 35,048,605.28
  5. Step 5: Solve for x
    x = 35,048,605.28/6,650.73
  6. Step 6: Final answer
    x = 5,269.89

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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.