Home / 11,661.38-16,093.08-6,625.51

Finding the Fourth Proportional to 11,661.38, 16,093.08 and 6,625.51

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Solution

The fourth proportional to 11,661.38, 16,093.08 and 6,625.51 is: 9,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.38 : 16,093.08 = 6,625.51 : x
  2. Step 2: Convert to fraction form
    11,661.38/16,093.08 = 6,625.51/x
  3. Step 3: Cross multiply
    11,661.38x = 16,093.08 × 6,625.51
  4. Step 4: Simplify right side
    11,661.38x = 106,624,748.88
  5. Step 5: Solve for x
    x = 106,624,748.88/11,661.38
  6. Step 6: Final answer
    x = 9,143.41

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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.