Home / 11,172.22-16,732.81-5,332.93

Finding the Fourth Proportional to 11,172.22, 16,732.81 and 5,332.93

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Solution

The fourth proportional to 11,172.22, 16,732.81 and 5,332.93 is: 7,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.22 : 16,732.81 = 5,332.93 : x
  2. Step 2: Convert to fraction form
    11,172.22/16,732.81 = 5,332.93/x
  3. Step 3: Cross multiply
    11,172.22x = 16,732.81 × 5,332.93
  4. Step 4: Simplify right side
    11,172.22x = 89,234,904.43
  5. Step 5: Solve for x
    x = 89,234,904.43/11,172.22
  6. Step 6: Final answer
    x = 7,987.21

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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.