Home / 7,443.68-11,167.38-2,765.02

Finding the Fourth Proportional to 7,443.68, 11,167.38 and 2,765.02

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Solution

The fourth proportional to 7,443.68, 11,167.38 and 2,765.02 is: 4,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.68 : 11,167.38 = 2,765.02 : x
  2. Step 2: Convert to fraction form
    7,443.68/11,167.38 = 2,765.02/x
  3. Step 3: Cross multiply
    7,443.68x = 11,167.38 × 2,765.02
  4. Step 4: Simplify right side
    7,443.68x = 30,878,015.22
  5. Step 5: Solve for x
    x = 30,878,015.22/7,443.68
  6. Step 6: Final answer
    x = 4,148.22

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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.