Home / 12,468.25-17,206.55-6,879.61

Finding the Fourth Proportional to 12,468.25, 17,206.55 and 6,879.61

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Solution

The fourth proportional to 12,468.25, 17,206.55 and 6,879.61 is: 9,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.25 : 17,206.55 = 6,879.61 : x
  2. Step 2: Convert to fraction form
    12,468.25/17,206.55 = 6,879.61/x
  3. Step 3: Cross multiply
    12,468.25x = 17,206.55 × 6,879.61
  4. Step 4: Simplify right side
    12,468.25x = 118,374,319.05
  5. Step 5: Solve for x
    x = 118,374,319.05/12,468.25
  6. Step 6: Final answer
    x = 9,494.06

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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.