Home / 11,445.72-17,169.30-4,049.40

Finding the Fourth Proportional to 11,445.72, 17,169.30 and 4,049.40

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Solution

The fourth proportional to 11,445.72, 17,169.30 and 4,049.40 is: 6,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.72 : 17,169.30 = 4,049.40 : x
  2. Step 2: Convert to fraction form
    11,445.72/17,169.30 = 4,049.40/x
  3. Step 3: Cross multiply
    11,445.72x = 17,169.30 × 4,049.40
  4. Step 4: Simplify right side
    11,445.72x = 69,525,363.42
  5. Step 5: Solve for x
    x = 69,525,363.42/11,445.72
  6. Step 6: Final answer
    x = 6,074.35

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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.