Home / 11,675.03-16,111.23-6,369.85

Finding the Fourth Proportional to 11,675.03, 16,111.23 and 6,369.85

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Solution

The fourth proportional to 11,675.03, 16,111.23 and 6,369.85 is: 8,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.03 : 16,111.23 = 6,369.85 : x
  2. Step 2: Convert to fraction form
    11,675.03/16,111.23 = 6,369.85/x
  3. Step 3: Cross multiply
    11,675.03x = 16,111.23 × 6,369.85
  4. Step 4: Simplify right side
    11,675.03x = 102,626,037.86
  5. Step 5: Solve for x
    x = 102,626,037.86/11,675.03
  6. Step 6: Final answer
    x = 8,790.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.