Home / 11,172.18-16,750.02-5,332.88

Finding the Fourth Proportional to 11,172.18, 16,750.02 and 5,332.88

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Solution

The fourth proportional to 11,172.18, 16,750.02 and 5,332.88 is: 7,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.18 : 16,750.02 = 5,332.88 : x
  2. Step 2: Convert to fraction form
    11,172.18/16,750.02 = 5,332.88/x
  3. Step 3: Cross multiply
    11,172.18x = 16,750.02 × 5,332.88
  4. Step 4: Simplify right side
    11,172.18x = 89,325,846.66
  5. Step 5: Solve for x
    x = 89,325,846.66/11,172.18
  6. Step 6: Final answer
    x = 7,995.38

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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.