Home / 7,467.90-11,205.71-3,310.77

Finding the Fourth Proportional to 7,467.90, 11,205.71 and 3,310.77

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Solution

The fourth proportional to 7,467.90, 11,205.71 and 3,310.77 is: 4,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.90 : 11,205.71 = 3,310.77 : x
  2. Step 2: Convert to fraction form
    7,467.90/11,205.71 = 3,310.77/x
  3. Step 3: Cross multiply
    7,467.90x = 11,205.71 × 3,310.77
  4. Step 4: Simplify right side
    7,467.90x = 37,099,566.38
  5. Step 5: Solve for x
    x = 37,099,566.38/7,467.90
  6. Step 6: Final answer
    x = 4,967.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.