Home / 8,683.83-13,021.86-2,759.04

Finding the Fourth Proportional to 8,683.83, 13,021.86 and 2,759.04

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Solution

The fourth proportional to 8,683.83, 13,021.86 and 2,759.04 is: 4,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.83 : 13,021.86 = 2,759.04 : x
  2. Step 2: Convert to fraction form
    8,683.83/13,021.86 = 2,759.04/x
  3. Step 3: Cross multiply
    8,683.83x = 13,021.86 × 2,759.04
  4. Step 4: Simplify right side
    8,683.83x = 35,927,832.61
  5. Step 5: Solve for x
    x = 35,927,832.61/8,683.83
  6. Step 6: Final answer
    x = 4,137.33

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1.5x scale

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.