Home / 11,790.82-16,271.34-6,486.04

Finding the Fourth Proportional to 11,790.82, 16,271.34 and 6,486.04

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Solution

The fourth proportional to 11,790.82, 16,271.34 and 6,486.04 is: 8,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.82 : 16,271.34 = 6,486.04 : x
  2. Step 2: Convert to fraction form
    11,790.82/16,271.34 = 6,486.04/x
  3. Step 3: Cross multiply
    11,790.82x = 16,271.34 × 6,486.04
  4. Step 4: Simplify right side
    11,790.82x = 105,536,562.09
  5. Step 5: Solve for x
    x = 105,536,562.09/11,790.82
  6. Step 6: Final answer
    x = 8,950.74

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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.