Home / 11,113.89-16,678.08-4,093.98

Finding the Fourth Proportional to 11,113.89, 16,678.08 and 4,093.98

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Solution

The fourth proportional to 11,113.89, 16,678.08 and 4,093.98 is: 6,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.89 : 16,678.08 = 4,093.98 : x
  2. Step 2: Convert to fraction form
    11,113.89/16,678.08 = 4,093.98/x
  3. Step 3: Cross multiply
    11,113.89x = 16,678.08 × 4,093.98
  4. Step 4: Simplify right side
    11,113.89x = 68,279,725.96
  5. Step 5: Solve for x
    x = 68,279,725.96/11,113.89
  6. Step 6: Final answer
    x = 6,143.64

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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.