Home / 10,851.49-16,278.44-3,454.23

Finding the Fourth Proportional to 10,851.49, 16,278.44 and 3,454.23

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Solution

The fourth proportional to 10,851.49, 16,278.44 and 3,454.23 is: 5,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.49 : 16,278.44 = 3,454.23 : x
  2. Step 2: Convert to fraction form
    10,851.49/16,278.44 = 3,454.23/x
  3. Step 3: Cross multiply
    10,851.49x = 16,278.44 × 3,454.23
  4. Step 4: Simplify right side
    10,851.49x = 56,229,475.80
  5. Step 5: Solve for x
    x = 56,229,475.80/10,851.49
  6. Step 6: Final answer
    x = 5,181.73

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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.