Home / 6,605.39-9,118.35-4,623.73

Finding the Fourth Proportional to 6,605.39, 9,118.35 and 4,623.73

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Solution

The fourth proportional to 6,605.39, 9,118.35 and 4,623.73 is: 6,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.39 : 9,118.35 = 4,623.73 : x
  2. Step 2: Convert to fraction form
    6,605.39/9,118.35 = 4,623.73/x
  3. Step 3: Cross multiply
    6,605.39x = 9,118.35 × 4,623.73
  4. Step 4: Simplify right side
    6,605.39x = 42,160,765.65
  5. Step 5: Solve for x
    x = 42,160,765.65/6,605.39
  6. Step 6: Final answer
    x = 6,382.78

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Double scale
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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.