Home / 11,735.46-16,195.31-6,430.61

Finding the Fourth Proportional to 11,735.46, 16,195.31 and 6,430.61

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Solution

The fourth proportional to 11,735.46, 16,195.31 and 6,430.61 is: 8,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.46 : 16,195.31 = 6,430.61 : x
  2. Step 2: Convert to fraction form
    11,735.46/16,195.31 = 6,430.61/x
  3. Step 3: Cross multiply
    11,735.46x = 16,195.31 × 6,430.61
  4. Step 4: Simplify right side
    11,735.46x = 104,145,690.29
  5. Step 5: Solve for x
    x = 104,145,690.29/11,735.46
  6. Step 6: Final answer
    x = 8,874.45

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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.