Home / 10,774.28-16,161.42-3,379.34

Finding the Fourth Proportional to 10,774.28, 16,161.42 and 3,379.34

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Solution

The fourth proportional to 10,774.28, 16,161.42 and 3,379.34 is: 5,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.28 : 16,161.42 = 3,379.34 : x
  2. Step 2: Convert to fraction form
    10,774.28/16,161.42 = 3,379.34/x
  3. Step 3: Cross multiply
    10,774.28x = 16,161.42 × 3,379.34
  4. Step 4: Simplify right side
    10,774.28x = 54,614,852.26
  5. Step 5: Solve for x
    x = 54,614,852.26/10,774.28
  6. Step 6: Final answer
    x = 5,069.00

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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.