Home / 12,683.24-19,025.76-3,917.02

Finding the Fourth Proportional to 12,683.24, 19,025.76 and 3,917.02

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Solution

The fourth proportional to 12,683.24, 19,025.76 and 3,917.02 is: 5,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.24 : 19,025.76 = 3,917.02 : x
  2. Step 2: Convert to fraction form
    12,683.24/19,025.76 = 3,917.02/x
  3. Step 3: Cross multiply
    12,683.24x = 19,025.76 × 3,917.02
  4. Step 4: Simplify right side
    12,683.24x = 74,524,282.44
  5. Step 5: Solve for x
    x = 74,524,282.44/12,683.24
  6. Step 6: Final answer
    x = 5,875.81

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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.