Home / 8,826.51-13,238.25-2,586.39

Finding the Fourth Proportional to 8,826.51, 13,238.25 and 2,586.39

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Solution

The fourth proportional to 8,826.51, 13,238.25 and 2,586.39 is: 3,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.51 : 13,238.25 = 2,586.39 : x
  2. Step 2: Convert to fraction form
    8,826.51/13,238.25 = 2,586.39/x
  3. Step 3: Cross multiply
    8,826.51x = 13,238.25 × 2,586.39
  4. Step 4: Simplify right side
    8,826.51x = 34,239,277.42
  5. Step 5: Solve for x
    x = 34,239,277.42/8,826.51
  6. Step 6: Final answer
    x = 3,879.14

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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.