Home / 11,222.81-16,844.63-5,680.07

Finding the Fourth Proportional to 11,222.81, 16,844.63 and 5,680.07

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Solution

The fourth proportional to 11,222.81, 16,844.63 and 5,680.07 is: 8,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.81 : 16,844.63 = 5,680.07 : x
  2. Step 2: Convert to fraction form
    11,222.81/16,844.63 = 5,680.07/x
  3. Step 3: Cross multiply
    11,222.81x = 16,844.63 × 5,680.07
  4. Step 4: Simplify right side
    11,222.81x = 95,678,564.90
  5. Step 5: Solve for x
    x = 95,678,564.90/11,222.81
  6. Step 6: Final answer
    x = 8,525.37

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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.