Home / 8,116.45-12,175.63-7,673.58

Finding the Fourth Proportional to 8,116.45, 12,175.63 and 7,673.58

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Solution

The fourth proportional to 8,116.45, 12,175.63 and 7,673.58 is: 11,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.45 : 12,175.63 = 7,673.58 : x
  2. Step 2: Convert to fraction form
    8,116.45/12,175.63 = 7,673.58/x
  3. Step 3: Cross multiply
    8,116.45x = 12,175.63 × 7,673.58
  4. Step 4: Simplify right side
    8,116.45x = 93,430,609.98
  5. Step 5: Solve for x
    x = 93,430,609.98/8,116.45
  6. Step 6: Final answer
    x = 11,511.27

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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.