Home / 7,623.72-11,494.71-6,975.72

Finding the Fourth Proportional to 7,623.72, 11,494.71 and 6,975.72

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Solution

The fourth proportional to 7,623.72, 11,494.71 and 6,975.72 is: 10,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.72 : 11,494.71 = 6,975.72 : x
  2. Step 2: Convert to fraction form
    7,623.72/11,494.71 = 6,975.72/x
  3. Step 3: Cross multiply
    7,623.72x = 11,494.71 × 6,975.72
  4. Step 4: Simplify right side
    7,623.72x = 80,183,878.44
  5. Step 5: Solve for x
    x = 80,183,878.44/7,623.72
  6. Step 6: Final answer
    x = 10,517.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.