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Finding the Fourth Proportional to 12,404.84, 17,118.99 and 7,101.36

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Solution

The fourth proportional to 12,404.84, 17,118.99 and 7,101.36 is: 9,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.84 : 17,118.99 = 7,101.36 : x
  2. Step 2: Convert to fraction form
    12,404.84/17,118.99 = 7,101.36/x
  3. Step 3: Cross multiply
    12,404.84x = 17,118.99 × 7,101.36
  4. Step 4: Simplify right side
    12,404.84x = 121,568,110.83
  5. Step 5: Solve for x
    x = 121,568,110.83/12,404.84
  6. Step 6: Final answer
    x = 9,800.06

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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.