Home / 7,806.22-11,703.62-2,875.95

Finding the Fourth Proportional to 7,806.22, 11,703.62 and 2,875.95

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Solution

The fourth proportional to 7,806.22, 11,703.62 and 2,875.95 is: 4,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.22 : 11,703.62 = 2,875.95 : x
  2. Step 2: Convert to fraction form
    7,806.22/11,703.62 = 2,875.95/x
  3. Step 3: Cross multiply
    7,806.22x = 11,703.62 × 2,875.95
  4. Step 4: Simplify right side
    7,806.22x = 33,659,033.13
  5. Step 5: Solve for x
    x = 33,659,033.13/7,806.22
  6. Step 6: Final answer
    x = 4,311.82

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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.