Home / 10,982.05-16,465.24-5,135.47

Finding the Fourth Proportional to 10,982.05, 16,465.24 and 5,135.47

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Solution

The fourth proportional to 10,982.05, 16,465.24 and 5,135.47 is: 7,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.05 : 16,465.24 = 5,135.47 : x
  2. Step 2: Convert to fraction form
    10,982.05/16,465.24 = 5,135.47/x
  3. Step 3: Cross multiply
    10,982.05x = 16,465.24 × 5,135.47
  4. Step 4: Simplify right side
    10,982.05x = 84,556,711.32
  5. Step 5: Solve for x
    x = 84,556,711.32/10,982.05
  6. Step 6: Final answer
    x = 7,699.54

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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.