Home / 12,081.45-16,668.63-6,976.32

Finding the Fourth Proportional to 12,081.45, 16,668.63 and 6,976.32

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Solution

The fourth proportional to 12,081.45, 16,668.63 and 6,976.32 is: 9,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.45 : 16,668.63 = 6,976.32 : x
  2. Step 2: Convert to fraction form
    12,081.45/16,668.63 = 6,976.32/x
  3. Step 3: Cross multiply
    12,081.45x = 16,668.63 × 6,976.32
  4. Step 4: Simplify right side
    12,081.45x = 116,285,634.33
  5. Step 5: Solve for x
    x = 116,285,634.33/12,081.45
  6. Step 6: Final answer
    x = 9,625.14

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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.