Home / 11,730.32-16,194.84-10,418.12

Finding the Fourth Proportional to 11,730.32, 16,194.84 and 10,418.12

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Solution

The fourth proportional to 11,730.32, 16,194.84 and 10,418.12 is: 14,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.32 : 16,194.84 = 10,418.12 : x
  2. Step 2: Convert to fraction form
    11,730.32/16,194.84 = 10,418.12/x
  3. Step 3: Cross multiply
    11,730.32x = 16,194.84 × 10,418.12
  4. Step 4: Simplify right side
    11,730.32x = 168,719,786.50
  5. Step 5: Solve for x
    x = 168,719,786.50/11,730.32
  6. Step 6: Final answer
    x = 14,383.22

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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.