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Finding the Fourth Proportional to 6,999.40, 10,486.94 and 5,843.56

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Solution

The fourth proportional to 6,999.40, 10,486.94 and 5,843.56 is: 8,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.40 : 10,486.94 = 5,843.56 : x
  2. Step 2: Convert to fraction form
    6,999.40/10,486.94 = 5,843.56/x
  3. Step 3: Cross multiply
    6,999.40x = 10,486.94 × 5,843.56
  4. Step 4: Simplify right side
    6,999.40x = 61,281,063.11
  5. Step 5: Solve for x
    x = 61,281,063.11/6,999.40
  6. Step 6: Final answer
    x = 8,755.19

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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.