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Finding the Fourth Proportional to 12,468.13, 17,206.01 and 6,879.13

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Solution

The fourth proportional to 12,468.13, 17,206.01 and 6,879.13 is: 9,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.13 : 17,206.01 = 6,879.13 : x
  2. Step 2: Convert to fraction form
    12,468.13/17,206.01 = 6,879.13/x
  3. Step 3: Cross multiply
    12,468.13x = 17,206.01 × 6,879.13
  4. Step 4: Simplify right side
    12,468.13x = 118,362,379.57
  5. Step 5: Solve for x
    x = 118,362,379.57/12,468.13
  6. Step 6: Final answer
    x = 9,493.19

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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.