Home / 10,709.37-16,070.70-5,163.27

Finding the Fourth Proportional to 10,709.37, 16,070.70 and 5,163.27

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Solution

The fourth proportional to 10,709.37, 16,070.70 and 5,163.27 is: 7,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.37 : 16,070.70 = 5,163.27 : x
  2. Step 2: Convert to fraction form
    10,709.37/16,070.70 = 5,163.27/x
  3. Step 3: Cross multiply
    10,709.37x = 16,070.70 × 5,163.27
  4. Step 4: Simplify right side
    10,709.37x = 82,977,363.19
  5. Step 5: Solve for x
    x = 82,977,363.19/10,709.37
  6. Step 6: Final answer
    x = 7,748.11

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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.