Home / 11,858.72-17,790.24-4,065.80

Finding the Fourth Proportional to 11,858.72, 17,790.24 and 4,065.80

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Solution

The fourth proportional to 11,858.72, 17,790.24 and 4,065.80 is: 6,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.72 : 17,790.24 = 4,065.80 : x
  2. Step 2: Convert to fraction form
    11,858.72/17,790.24 = 4,065.80/x
  3. Step 3: Cross multiply
    11,858.72x = 17,790.24 × 4,065.80
  4. Step 4: Simplify right side
    11,858.72x = 72,331,557.79
  5. Step 5: Solve for x
    x = 72,331,557.79/11,858.72
  6. Step 6: Final answer
    x = 6,099.44

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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.