Home / 11,735.79-16,195.19-6,430.56

Finding the Fourth Proportional to 11,735.79, 16,195.19 and 6,430.56

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Solution

The fourth proportional to 11,735.79, 16,195.19 and 6,430.56 is: 8,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.79 : 16,195.19 = 6,430.56 : x
  2. Step 2: Convert to fraction form
    11,735.79/16,195.19 = 6,430.56/x
  3. Step 3: Cross multiply
    11,735.79x = 16,195.19 × 6,430.56
  4. Step 4: Simplify right side
    11,735.79x = 104,144,108.85
  5. Step 5: Solve for x
    x = 104,144,108.85/11,735.79
  6. Step 6: Final answer
    x = 8,874.06

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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.