Home / 12,409.74-18,611.37-5,834.70

Finding the Fourth Proportional to 12,409.74, 18,611.37 and 5,834.70

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Solution

The fourth proportional to 12,409.74, 18,611.37 and 5,834.70 is: 8,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.74 : 18,611.37 = 5,834.70 : x
  2. Step 2: Convert to fraction form
    12,409.74/18,611.37 = 5,834.70/x
  3. Step 3: Cross multiply
    12,409.74x = 18,611.37 × 5,834.70
  4. Step 4: Simplify right side
    12,409.74x = 108,591,760.54
  5. Step 5: Solve for x
    x = 108,591,760.54/12,409.74
  6. Step 6: Final answer
    x = 8,750.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.