Home / 12,093.03-16,678.71-8,106.62

Finding the Fourth Proportional to 12,093.03, 16,678.71 and 8,106.62

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Solution

The fourth proportional to 12,093.03, 16,678.71 and 8,106.62 is: 11,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.03 : 16,678.71 = 8,106.62 : x
  2. Step 2: Convert to fraction form
    12,093.03/16,678.71 = 8,106.62/x
  3. Step 3: Cross multiply
    12,093.03x = 16,678.71 × 8,106.62
  4. Step 4: Simplify right side
    12,093.03x = 135,207,880.67
  5. Step 5: Solve for x
    x = 135,207,880.67/12,093.03
  6. Step 6: Final answer
    x = 11,180.65

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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.