Home / 8,825.57-13,239.58-2,586.02

Finding the Fourth Proportional to 8,825.57, 13,239.58 and 2,586.02

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Solution

The fourth proportional to 8,825.57, 13,239.58 and 2,586.02 is: 3,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.57 : 13,239.58 = 2,586.02 : x
  2. Step 2: Convert to fraction form
    8,825.57/13,239.58 = 2,586.02/x
  3. Step 3: Cross multiply
    8,825.57x = 13,239.58 × 2,586.02
  4. Step 4: Simplify right side
    8,825.57x = 34,237,818.67
  5. Step 5: Solve for x
    x = 34,237,818.67/8,825.57
  6. Step 6: Final answer
    x = 3,879.39

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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.