Home / 10,922.42-16,388.22-4,683.80

Finding the Fourth Proportional to 10,922.42, 16,388.22 and 4,683.80

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Solution

The fourth proportional to 10,922.42, 16,388.22 and 4,683.80 is: 7,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.42 : 16,388.22 = 4,683.80 : x
  2. Step 2: Convert to fraction form
    10,922.42/16,388.22 = 4,683.80/x
  3. Step 3: Cross multiply
    10,922.42x = 16,388.22 × 4,683.80
  4. Step 4: Simplify right side
    10,922.42x = 76,759,144.84
  5. Step 5: Solve for x
    x = 76,759,144.84/10,922.42
  6. Step 6: Final answer
    x = 7,027.67

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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.