Home / 9,834.41-13,581.09-8,409.84

Finding the Fourth Proportional to 9,834.41, 13,581.09 and 8,409.84

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Solution

The fourth proportional to 9,834.41, 13,581.09 and 8,409.84 is: 11,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.41 : 13,581.09 = 8,409.84 : x
  2. Step 2: Convert to fraction form
    9,834.41/13,581.09 = 8,409.84/x
  3. Step 3: Cross multiply
    9,834.41x = 13,581.09 × 8,409.84
  4. Step 4: Simplify right side
    9,834.41x = 114,214,793.93
  5. Step 5: Solve for x
    x = 114,214,793.93/9,834.41
  6. Step 6: Final answer
    x = 11,613.79

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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.