Home / 8,240.55-12,360.43-2,693.16

Finding the Fourth Proportional to 8,240.55, 12,360.43 and 2,693.16

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Solution

The fourth proportional to 8,240.55, 12,360.43 and 2,693.16 is: 4,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.55 : 12,360.43 = 2,693.16 : x
  2. Step 2: Convert to fraction form
    8,240.55/12,360.43 = 2,693.16/x
  3. Step 3: Cross multiply
    8,240.55x = 12,360.43 × 2,693.16
  4. Step 4: Simplify right side
    8,240.55x = 33,288,619.03
  5. Step 5: Solve for x
    x = 33,288,619.03/8,240.55
  6. Step 6: Final answer
    x = 4,039.61

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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.