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Finding the Fourth Proportional to 12,209.00, 16,848.79 and 6,903.70

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Solution

The fourth proportional to 12,209.00, 16,848.79 and 6,903.70 is: 9,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.00 : 16,848.79 = 6,903.70 : x
  2. Step 2: Convert to fraction form
    12,209.00/16,848.79 = 6,903.70/x
  3. Step 3: Cross multiply
    12,209.00x = 16,848.79 × 6,903.70
  4. Step 4: Simplify right side
    12,209.00x = 116,318,932.14
  5. Step 5: Solve for x
    x = 116,318,932.14/12,209.00
  6. Step 6: Final answer
    x = 9,527.31

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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.