Home / 11,904.92-16,429.76-6,601.44

Finding the Fourth Proportional to 11,904.92, 16,429.76 and 6,601.44

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Solution

The fourth proportional to 11,904.92, 16,429.76 and 6,601.44 is: 9,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.92 : 16,429.76 = 6,601.44 : x
  2. Step 2: Convert to fraction form
    11,904.92/16,429.76 = 6,601.44/x
  3. Step 3: Cross multiply
    11,904.92x = 16,429.76 × 6,601.44
  4. Step 4: Simplify right side
    11,904.92x = 108,460,074.85
  5. Step 5: Solve for x
    x = 108,460,074.85/11,904.92
  6. Step 6: Final answer
    x = 9,110.53

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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.