Home / 8,774.26-13,161.56-2,930.92

Finding the Fourth Proportional to 8,774.26, 13,161.56 and 2,930.92

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Solution

The fourth proportional to 8,774.26, 13,161.56 and 2,930.92 is: 4,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.26 : 13,161.56 = 2,930.92 : x
  2. Step 2: Convert to fraction form
    8,774.26/13,161.56 = 2,930.92/x
  3. Step 3: Cross multiply
    8,774.26x = 13,161.56 × 2,930.92
  4. Step 4: Simplify right side
    8,774.26x = 38,575,479.44
  5. Step 5: Solve for x
    x = 38,575,479.44/8,774.26
  6. Step 6: Final answer
    x = 4,396.44

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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.