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Finding the Fourth Proportional to 7,908.12, 11,804.24 and 6,973.96

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Solution

The fourth proportional to 7,908.12, 11,804.24 and 6,973.96 is: 10,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.12 : 11,804.24 = 6,973.96 : x
  2. Step 2: Convert to fraction form
    7,908.12/11,804.24 = 6,973.96/x
  3. Step 3: Cross multiply
    7,908.12x = 11,804.24 × 6,973.96
  4. Step 4: Simplify right side
    7,908.12x = 82,322,297.59
  5. Step 5: Solve for x
    x = 82,322,297.59/7,908.12
  6. Step 6: Final answer
    x = 10,409.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.