Home / 11,211.35-16,795.13-6,817.91

Finding the Fourth Proportional to 11,211.35, 16,795.13 and 6,817.91

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Solution

The fourth proportional to 11,211.35, 16,795.13 and 6,817.91 is: 10,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.35 : 16,795.13 = 6,817.91 : x
  2. Step 2: Convert to fraction form
    11,211.35/16,795.13 = 6,817.91/x
  3. Step 3: Cross multiply
    11,211.35x = 16,795.13 × 6,817.91
  4. Step 4: Simplify right side
    11,211.35x = 114,507,701.82
  5. Step 5: Solve for x
    x = 114,507,701.82/11,211.35
  6. Step 6: Final answer
    x = 10,213.55

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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.