Home / 7,837.76-11,756.71-1,994.38

Finding the Fourth Proportional to 7,837.76, 11,756.71 and 1,994.38

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Solution

The fourth proportional to 7,837.76, 11,756.71 and 1,994.38 is: 2,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.76 : 11,756.71 = 1,994.38 : x
  2. Step 2: Convert to fraction form
    7,837.76/11,756.71 = 1,994.38/x
  3. Step 3: Cross multiply
    7,837.76x = 11,756.71 × 1,994.38
  4. Step 4: Simplify right side
    7,837.76x = 23,447,288.51
  5. Step 5: Solve for x
    x = 23,447,288.51/7,837.76
  6. Step 6: Final answer
    x = 2,991.58

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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.