Home / 11,132.76-16,676.46-5,271.60

Finding the Fourth Proportional to 11,132.76, 16,676.46 and 5,271.60

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Solution

The fourth proportional to 11,132.76, 16,676.46 and 5,271.60 is: 7,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.76 : 16,676.46 = 5,271.60 : x
  2. Step 2: Convert to fraction form
    11,132.76/16,676.46 = 5,271.60/x
  3. Step 3: Cross multiply
    11,132.76x = 16,676.46 × 5,271.60
  4. Step 4: Simplify right side
    11,132.76x = 87,911,626.54
  5. Step 5: Solve for x
    x = 87,911,626.54/11,132.76
  6. Step 6: Final answer
    x = 7,896.66

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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.