Home / 8,022.53-12,038.66-3,405.53

Finding the Fourth Proportional to 8,022.53, 12,038.66 and 3,405.53

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Solution

The fourth proportional to 8,022.53, 12,038.66 and 3,405.53 is: 5,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.53 : 12,038.66 = 3,405.53 : x
  2. Step 2: Convert to fraction form
    8,022.53/12,038.66 = 3,405.53/x
  3. Step 3: Cross multiply
    8,022.53x = 12,038.66 × 3,405.53
  4. Step 4: Simplify right side
    8,022.53x = 40,998,017.79
  5. Step 5: Solve for x
    x = 40,998,017.79/8,022.53
  6. Step 6: Final answer
    x = 5,110.36

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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.