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Finding the Fourth Proportional to 12,473.88, 17,213.98 and 6,884.88

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Solution

The fourth proportional to 12,473.88, 17,213.98 and 6,884.88 is: 9,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.88 : 17,213.98 = 6,884.88 : x
  2. Step 2: Convert to fraction form
    12,473.88/17,213.98 = 6,884.88/x
  3. Step 3: Cross multiply
    12,473.88x = 17,213.98 × 6,884.88
  4. Step 4: Simplify right side
    12,473.88x = 118,516,186.62
  5. Step 5: Solve for x
    x = 118,516,186.62/12,473.88
  6. Step 6: Final answer
    x = 9,501.15

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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.