Home / 11,028.40-16,543.63-3,632.87

Finding the Fourth Proportional to 11,028.40, 16,543.63 and 3,632.87

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Solution

The fourth proportional to 11,028.40, 16,543.63 and 3,632.87 is: 5,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.40 : 16,543.63 = 3,632.87 : x
  2. Step 2: Convert to fraction form
    11,028.40/16,543.63 = 3,632.87/x
  3. Step 3: Cross multiply
    11,028.40x = 16,543.63 × 3,632.87
  4. Step 4: Simplify right side
    11,028.40x = 60,100,857.12
  5. Step 5: Solve for x
    x = 60,100,857.12/11,028.40
  6. Step 6: Final answer
    x = 5,449.64

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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.