Home / 7,826.59-11,740.32-1,983.25

Finding the Fourth Proportional to 7,826.59, 11,740.32 and 1,983.25

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Solution

The fourth proportional to 7,826.59, 11,740.32 and 1,983.25 is: 2,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.59 : 11,740.32 = 1,983.25 : x
  2. Step 2: Convert to fraction form
    7,826.59/11,740.32 = 1,983.25/x
  3. Step 3: Cross multiply
    7,826.59x = 11,740.32 × 1,983.25
  4. Step 4: Simplify right side
    7,826.59x = 23,283,989.64
  5. Step 5: Solve for x
    x = 23,283,989.64/7,826.59
  6. Step 6: Final answer
    x = 2,974.99

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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.