Home / 11,790.72-16,271.10-6,754.77

Finding the Fourth Proportional to 11,790.72, 16,271.10 and 6,754.77

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Solution

The fourth proportional to 11,790.72, 16,271.10 and 6,754.77 is: 9,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.72 : 16,271.10 = 6,754.77 : x
  2. Step 2: Convert to fraction form
    11,790.72/16,271.10 = 6,754.77/x
  3. Step 3: Cross multiply
    11,790.72x = 16,271.10 × 6,754.77
  4. Step 4: Simplify right side
    11,790.72x = 109,907,538.15
  5. Step 5: Solve for x
    x = 109,907,538.15/11,790.72
  6. Step 6: Final answer
    x = 9,321.53

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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.