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Finding the Fourth Proportional to 12,471.71, 17,211.36 and 7,094.01

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Solution

The fourth proportional to 12,471.71, 17,211.36 and 7,094.01 is: 9,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.71 : 17,211.36 = 7,094.01 : x
  2. Step 2: Convert to fraction form
    12,471.71/17,211.36 = 7,094.01/x
  3. Step 3: Cross multiply
    12,471.71x = 17,211.36 × 7,094.01
  4. Step 4: Simplify right side
    12,471.71x = 122,097,540.98
  5. Step 5: Solve for x
    x = 122,097,540.98/12,471.71
  6. Step 6: Final answer
    x = 9,789.96

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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.