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Finding the Fourth Proportional to 6,396.04, 8,837.94 and 5,009.32

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Solution

The fourth proportional to 6,396.04, 8,837.94 and 5,009.32 is: 6,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.04 : 8,837.94 = 5,009.32 : x
  2. Step 2: Convert to fraction form
    6,396.04/8,837.94 = 5,009.32/x
  3. Step 3: Cross multiply
    6,396.04x = 8,837.94 × 5,009.32
  4. Step 4: Simplify right side
    6,396.04x = 44,272,069.60
  5. Step 5: Solve for x
    x = 44,272,069.60/6,396.04
  6. Step 6: Final answer
    x = 6,921.79

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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.