Home / 12,117.34-18,179.25-10,960.66

Finding the Fourth Proportional to 12,117.34, 18,179.25 and 10,960.66

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Solution

The fourth proportional to 12,117.34, 18,179.25 and 10,960.66 is: 16,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.34 : 18,179.25 = 10,960.66 : x
  2. Step 2: Convert to fraction form
    12,117.34/18,179.25 = 10,960.66/x
  3. Step 3: Cross multiply
    12,117.34x = 18,179.25 × 10,960.66
  4. Step 4: Simplify right side
    12,117.34x = 199,256,621.58
  5. Step 5: Solve for x
    x = 199,256,621.58/12,117.34
  6. Step 6: Final answer
    x = 16,443.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.