Home / 11,629.21-16,042.67-6,910.15

Finding the Fourth Proportional to 11,629.21, 16,042.67 and 6,910.15

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Solution

The fourth proportional to 11,629.21, 16,042.67 and 6,910.15 is: 9,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.21 : 16,042.67 = 6,910.15 : x
  2. Step 2: Convert to fraction form
    11,629.21/16,042.67 = 6,910.15/x
  3. Step 3: Cross multiply
    11,629.21x = 16,042.67 × 6,910.15
  4. Step 4: Simplify right side
    11,629.21x = 110,857,256.10
  5. Step 5: Solve for x
    x = 110,857,256.10/11,629.21
  6. Step 6: Final answer
    x = 9,532.66

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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.