Home / 11,448.24-17,171.28-3,655.68

Finding the Fourth Proportional to 11,448.24, 17,171.28 and 3,655.68

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Solution

The fourth proportional to 11,448.24, 17,171.28 and 3,655.68 is: 5,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.24 : 17,171.28 = 3,655.68 : x
  2. Step 2: Convert to fraction form
    11,448.24/17,171.28 = 3,655.68/x
  3. Step 3: Cross multiply
    11,448.24x = 17,171.28 × 3,655.68
  4. Step 4: Simplify right side
    11,448.24x = 62,772,704.87
  5. Step 5: Solve for x
    x = 62,772,704.87/11,448.24
  6. Step 6: Final answer
    x = 5,483.18

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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.