Home / 11,771.45-16,252.19-7,299.95

Finding the Fourth Proportional to 11,771.45, 16,252.19 and 7,299.95

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Solution

The fourth proportional to 11,771.45, 16,252.19 and 7,299.95 is: 10,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.45 : 16,252.19 = 7,299.95 : x
  2. Step 2: Convert to fraction form
    11,771.45/16,252.19 = 7,299.95/x
  3. Step 3: Cross multiply
    11,771.45x = 16,252.19 × 7,299.95
  4. Step 4: Simplify right side
    11,771.45x = 118,640,056.63
  5. Step 5: Solve for x
    x = 118,640,056.63/11,771.45
  6. Step 6: Final answer
    x = 10,078.63

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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.