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Finding the Fourth Proportional to 9,811.12, 14,713.56 and 3,236.08

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Solution

The fourth proportional to 9,811.12, 14,713.56 and 3,236.08 is: 4,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.12 : 14,713.56 = 3,236.08 : x
  2. Step 2: Convert to fraction form
    9,811.12/14,713.56 = 3,236.08/x
  3. Step 3: Cross multiply
    9,811.12x = 14,713.56 × 3,236.08
  4. Step 4: Simplify right side
    9,811.12x = 47,614,257.24
  5. Step 5: Solve for x
    x = 47,614,257.24/9,811.12
  6. Step 6: Final answer
    x = 4,853.09

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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.