Home / 9,316.31-13,974.44-2,390.81

Finding the Fourth Proportional to 9,316.31, 13,974.44 and 2,390.81

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Solution

The fourth proportional to 9,316.31, 13,974.44 and 2,390.81 is: 3,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.31 : 13,974.44 = 2,390.81 : x
  2. Step 2: Convert to fraction form
    9,316.31/13,974.44 = 2,390.81/x
  3. Step 3: Cross multiply
    9,316.31x = 13,974.44 × 2,390.81
  4. Step 4: Simplify right side
    9,316.31x = 33,410,161.02
  5. Step 5: Solve for x
    x = 33,410,161.02/9,316.31
  6. Step 6: Final answer
    x = 3,586.20

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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.