Home / 11,960.22-17,940.34-5,718.76

Finding the Fourth Proportional to 11,960.22, 17,940.34 and 5,718.76

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Solution

The fourth proportional to 11,960.22, 17,940.34 and 5,718.76 is: 8,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.22 : 17,940.34 = 5,718.76 : x
  2. Step 2: Convert to fraction form
    11,960.22/17,940.34 = 5,718.76/x
  3. Step 3: Cross multiply
    11,960.22x = 17,940.34 × 5,718.76
  4. Step 4: Simplify right side
    11,960.22x = 102,596,498.78
  5. Step 5: Solve for x
    x = 102,596,498.78/11,960.22
  6. Step 6: Final answer
    x = 8,578.14

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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.