Home / 8,276.25-12,415.73-2,729.93

Finding the Fourth Proportional to 8,276.25, 12,415.73 and 2,729.93

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Solution

The fourth proportional to 8,276.25, 12,415.73 and 2,729.93 is: 4,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.25 : 12,415.73 = 2,729.93 : x
  2. Step 2: Convert to fraction form
    8,276.25/12,415.73 = 2,729.93/x
  3. Step 3: Cross multiply
    8,276.25x = 12,415.73 × 2,729.93
  4. Step 4: Simplify right side
    8,276.25x = 33,893,998.07
  5. Step 5: Solve for x
    x = 33,893,998.07/8,276.25
  6. Step 6: Final answer
    x = 4,095.33

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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.