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Finding the Fourth Proportional to 6,115.79, 9,173.69 and 5,804.15

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Solution

The fourth proportional to 6,115.79, 9,173.69 and 5,804.15 is: 8,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.79 : 9,173.69 = 5,804.15 : x
  2. Step 2: Convert to fraction form
    6,115.79/9,173.69 = 5,804.15/x
  3. Step 3: Cross multiply
    6,115.79x = 9,173.69 × 5,804.15
  4. Step 4: Simplify right side
    6,115.79x = 53,245,397.92
  5. Step 5: Solve for x
    x = 53,245,397.92/6,115.79
  6. Step 6: Final answer
    x = 8,706.22

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Similar ratio
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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.