Home / 7,844.37-11,769.65-3,458.76

Finding the Fourth Proportional to 7,844.37, 11,769.65 and 3,458.76

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Solution

The fourth proportional to 7,844.37, 11,769.65 and 3,458.76 is: 5,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.37 : 11,769.65 = 3,458.76 : x
  2. Step 2: Convert to fraction form
    7,844.37/11,769.65 = 3,458.76/x
  3. Step 3: Cross multiply
    7,844.37x = 11,769.65 × 3,458.76
  4. Step 4: Simplify right side
    7,844.37x = 40,708,377.34
  5. Step 5: Solve for x
    x = 40,708,377.34/7,844.37
  6. Step 6: Final answer
    x = 5,189.50

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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.