Home / 10,683.03-16,034.34-5,421.77

Finding the Fourth Proportional to 10,683.03, 16,034.34 and 5,421.77

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Solution

The fourth proportional to 10,683.03, 16,034.34 and 5,421.77 is: 8,137.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,683.03 : 16,034.34 = 5,421.77 : x
  2. Step 2: Convert to fraction form
    10,683.03/16,034.34 = 5,421.77/x
  3. Step 3: Cross multiply
    10,683.03x = 16,034.34 × 5,421.77
  4. Step 4: Simplify right side
    10,683.03x = 86,934,563.57
  5. Step 5: Solve for x
    x = 86,934,563.57/10,683.03
  6. Step 6: Final answer
    x = 8,137.63

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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.