Home / 12,266.70-18,399.93-5,240.73

Finding the Fourth Proportional to 12,266.70, 18,399.93 and 5,240.73

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Solution

The fourth proportional to 12,266.70, 18,399.93 and 5,240.73 is: 7,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.70 : 18,399.93 = 5,240.73 : x
  2. Step 2: Convert to fraction form
    12,266.70/18,399.93 = 5,240.73/x
  3. Step 3: Cross multiply
    12,266.70x = 18,399.93 × 5,240.73
  4. Step 4: Simplify right side
    12,266.70x = 96,429,065.15
  5. Step 5: Solve for x
    x = 96,429,065.15/12,266.70
  6. Step 6: Final answer
    x = 7,861.04

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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.