Home / 8,241.93-12,351.33-4,545.90

Finding the Fourth Proportional to 8,241.93, 12,351.33 and 4,545.90

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Solution

The fourth proportional to 8,241.93, 12,351.33 and 4,545.90 is: 6,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.93 : 12,351.33 = 4,545.90 : x
  2. Step 2: Convert to fraction form
    8,241.93/12,351.33 = 4,545.90/x
  3. Step 3: Cross multiply
    8,241.93x = 12,351.33 × 4,545.90
  4. Step 4: Simplify right side
    8,241.93x = 56,147,911.05
  5. Step 5: Solve for x
    x = 56,147,911.05/8,241.93
  6. Step 6: Final answer
    x = 6,812.47

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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.