Home / 10,851.82-16,280.19-3,926.32

Finding the Fourth Proportional to 10,851.82, 16,280.19 and 3,926.32

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Solution

The fourth proportional to 10,851.82, 16,280.19 and 3,926.32 is: 5,890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.82 : 16,280.19 = 3,926.32 : x
  2. Step 2: Convert to fraction form
    10,851.82/16,280.19 = 3,926.32/x
  3. Step 3: Cross multiply
    10,851.82x = 16,280.19 × 3,926.32
  4. Step 4: Simplify right side
    10,851.82x = 63,921,235.60
  5. Step 5: Solve for x
    x = 63,921,235.60/10,851.82
  6. Step 6: Final answer
    x = 5,890.37

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1.5x scale

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.