Home / 11,894.20-16,363.69-11,566.15

Finding the Fourth Proportional to 11,894.20, 16,363.69 and 11,566.15

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Solution

The fourth proportional to 11,894.20, 16,363.69 and 11,566.15 is: 15,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.20 : 16,363.69 = 11,566.15 : x
  2. Step 2: Convert to fraction form
    11,894.20/16,363.69 = 11,566.15/x
  3. Step 3: Cross multiply
    11,894.20x = 16,363.69 × 11,566.15
  4. Step 4: Simplify right side
    11,894.20x = 189,264,893.09
  5. Step 5: Solve for x
    x = 189,264,893.09/11,894.20
  6. Step 6: Final answer
    x = 15,912.37

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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.