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Finding the Fourth Proportional to 7,317.09, 10,961.06 and 6,805.17

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Solution

The fourth proportional to 7,317.09, 10,961.06 and 6,805.17 is: 10,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.09 : 10,961.06 = 6,805.17 : x
  2. Step 2: Convert to fraction form
    7,317.09/10,961.06 = 6,805.17/x
  3. Step 3: Cross multiply
    7,317.09x = 10,961.06 × 6,805.17
  4. Step 4: Simplify right side
    7,317.09x = 74,591,842.65
  5. Step 5: Solve for x
    x = 74,591,842.65/7,317.09
  6. Step 6: Final answer
    x = 10,194.20

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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.