Home / 11,696.09-16,141.57-6,661.89

Finding the Fourth Proportional to 11,696.09, 16,141.57 and 6,661.89

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Solution

The fourth proportional to 11,696.09, 16,141.57 and 6,661.89 is: 9,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.09 : 16,141.57 = 6,661.89 : x
  2. Step 2: Convert to fraction form
    11,696.09/16,141.57 = 6,661.89/x
  3. Step 3: Cross multiply
    11,696.09x = 16,141.57 × 6,661.89
  4. Step 4: Simplify right side
    11,696.09x = 107,533,347.11
  5. Step 5: Solve for x
    x = 107,533,347.11/11,696.09
  6. Step 6: Final answer
    x = 9,193.95

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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.