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Finding the Fourth Proportional to 12,130.88, 16,736.07 and 7,093.49

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Solution

The fourth proportional to 12,130.88, 16,736.07 and 7,093.49 is: 9,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.88 : 16,736.07 = 7,093.49 : x
  2. Step 2: Convert to fraction form
    12,130.88/16,736.07 = 7,093.49/x
  3. Step 3: Cross multiply
    12,130.88x = 16,736.07 × 7,093.49
  4. Step 4: Simplify right side
    12,130.88x = 118,717,142.34
  5. Step 5: Solve for x
    x = 118,717,142.34/12,130.88
  6. Step 6: Final answer
    x = 9,786.36

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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.