Home / 11,801.32-16,292.82-10,489.24

Finding the Fourth Proportional to 11,801.32, 16,292.82 and 10,489.24

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Solution

The fourth proportional to 11,801.32, 16,292.82 and 10,489.24 is: 14,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.32 : 16,292.82 = 10,489.24 : x
  2. Step 2: Convert to fraction form
    11,801.32/16,292.82 = 10,489.24/x
  3. Step 3: Cross multiply
    11,801.32x = 16,292.82 × 10,489.24
  4. Step 4: Simplify right side
    11,801.32x = 170,899,299.26
  5. Step 5: Solve for x
    x = 170,899,299.26/11,801.32
  6. Step 6: Final answer
    x = 14,481.37

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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.