Home / 10,986.82-16,466.46-4,739.74

Finding the Fourth Proportional to 10,986.82, 16,466.46 and 4,739.74

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Solution

The fourth proportional to 10,986.82, 16,466.46 and 4,739.74 is: 7,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.82 : 16,466.46 = 4,739.74 : x
  2. Step 2: Convert to fraction form
    10,986.82/16,466.46 = 4,739.74/x
  3. Step 3: Cross multiply
    10,986.82x = 16,466.46 × 4,739.74
  4. Step 4: Simplify right side
    10,986.82x = 78,046,739.12
  5. Step 5: Solve for x
    x = 78,046,739.12/10,986.82
  6. Step 6: Final answer
    x = 7,103.67

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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.