Home / 11,735.55-16,195.68-6,430.59

Finding the Fourth Proportional to 11,735.55, 16,195.68 and 6,430.59

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Solution

The fourth proportional to 11,735.55, 16,195.68 and 6,430.59 is: 8,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.55 : 16,195.68 = 6,430.59 : x
  2. Step 2: Convert to fraction form
    11,735.55/16,195.68 = 6,430.59/x
  3. Step 3: Cross multiply
    11,735.55x = 16,195.68 × 6,430.59
  4. Step 4: Simplify right side
    11,735.55x = 104,147,777.85
  5. Step 5: Solve for x
    x = 104,147,777.85/11,735.55
  6. Step 6: Final answer
    x = 8,874.55

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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.