Home / 10,871.24-16,307.10-3,080.60

Finding the Fourth Proportional to 10,871.24, 16,307.10 and 3,080.60

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Solution

The fourth proportional to 10,871.24, 16,307.10 and 3,080.60 is: 4,620.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.24 : 16,307.10 = 3,080.60 : x
  2. Step 2: Convert to fraction form
    10,871.24/16,307.10 = 3,080.60/x
  3. Step 3: Cross multiply
    10,871.24x = 16,307.10 × 3,080.60
  4. Step 4: Simplify right side
    10,871.24x = 50,235,652.26
  5. Step 5: Solve for x
    x = 50,235,652.26/10,871.24
  6. Step 6: Final answer
    x = 4,620.97

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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.