Home / 7,836.30-11,750.56-2,498.79

Finding the Fourth Proportional to 7,836.30, 11,750.56 and 2,498.79

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Solution

The fourth proportional to 7,836.30, 11,750.56 and 2,498.79 is: 3,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.30 : 11,750.56 = 2,498.79 : x
  2. Step 2: Convert to fraction form
    7,836.30/11,750.56 = 2,498.79/x
  3. Step 3: Cross multiply
    7,836.30x = 11,750.56 × 2,498.79
  4. Step 4: Simplify right side
    7,836.30x = 29,362,181.82
  5. Step 5: Solve for x
    x = 29,362,181.82/7,836.30
  6. Step 6: Final answer
    x = 3,746.94

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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.