Home / 11,661.65-16,093.51-6,626.72

Finding the Fourth Proportional to 11,661.65, 16,093.51 and 6,626.72

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Solution

The fourth proportional to 11,661.65, 16,093.51 and 6,626.72 is: 9,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.65 : 16,093.51 = 6,626.72 : x
  2. Step 2: Convert to fraction form
    11,661.65/16,093.51 = 6,626.72/x
  3. Step 3: Cross multiply
    11,661.65x = 16,093.51 × 6,626.72
  4. Step 4: Simplify right side
    11,661.65x = 106,647,151.45
  5. Step 5: Solve for x
    x = 106,647,151.45/11,661.65
  6. Step 6: Final answer
    x = 9,145.12

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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.