Home / 8,539.33-12,810.53-3,861.54

Finding the Fourth Proportional to 8,539.33, 12,810.53 and 3,861.54

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Solution

The fourth proportional to 8,539.33, 12,810.53 and 3,861.54 is: 5,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.33 : 12,810.53 = 3,861.54 : x
  2. Step 2: Convert to fraction form
    8,539.33/12,810.53 = 3,861.54/x
  3. Step 3: Cross multiply
    8,539.33x = 12,810.53 × 3,861.54
  4. Step 4: Simplify right side
    8,539.33x = 49,468,374.02
  5. Step 5: Solve for x
    x = 49,468,374.02/8,539.33
  6. Step 6: Final answer
    x = 5,793.00

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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.