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Finding the Fourth Proportional to 6,808.95, 9,396.45 and 3,784.25

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Solution

The fourth proportional to 6,808.95, 9,396.45 and 3,784.25 is: 5,222.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.95 : 9,396.45 = 3,784.25 : x
  2. Step 2: Convert to fraction form
    6,808.95/9,396.45 = 3,784.25/x
  3. Step 3: Cross multiply
    6,808.95x = 9,396.45 × 3,784.25
  4. Step 4: Simplify right side
    6,808.95x = 35,558,539.40
  5. Step 5: Solve for x
    x = 35,558,539.40/6,808.95
  6. Step 6: Final answer
    x = 5,222.32

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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.