Home / 10,826.25-16,239.39-2,618.25

Finding the Fourth Proportional to 10,826.25, 16,239.39 and 2,618.25

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Solution

The fourth proportional to 10,826.25, 16,239.39 and 2,618.25 is: 3,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.25 : 16,239.39 = 2,618.25 : x
  2. Step 2: Convert to fraction form
    10,826.25/16,239.39 = 2,618.25/x
  3. Step 3: Cross multiply
    10,826.25x = 16,239.39 × 2,618.25
  4. Step 4: Simplify right side
    10,826.25x = 42,518,782.87
  5. Step 5: Solve for x
    x = 42,518,782.87/10,826.25
  6. Step 6: Final answer
    x = 3,927.38

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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.