Home / 11,325.05-16,994.19-4,750.69

Finding the Fourth Proportional to 11,325.05, 16,994.19 and 4,750.69

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Solution

The fourth proportional to 11,325.05, 16,994.19 and 4,750.69 is: 7,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.05 : 16,994.19 = 4,750.69 : x
  2. Step 2: Convert to fraction form
    11,325.05/16,994.19 = 4,750.69/x
  3. Step 3: Cross multiply
    11,325.05x = 16,994.19 × 4,750.69
  4. Step 4: Simplify right side
    11,325.05x = 80,734,128.49
  5. Step 5: Solve for x
    x = 80,734,128.49/11,325.05
  6. Step 6: Final answer
    x = 7,128.81

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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.