Home / 11,826.18-16,318.38-6,790.62

Finding the Fourth Proportional to 11,826.18, 16,318.38 and 6,790.62

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Solution

The fourth proportional to 11,826.18, 16,318.38 and 6,790.62 is: 9,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.18 : 16,318.38 = 6,790.62 : x
  2. Step 2: Convert to fraction form
    11,826.18/16,318.38 = 6,790.62/x
  3. Step 3: Cross multiply
    11,826.18x = 16,318.38 × 6,790.62
  4. Step 4: Simplify right side
    11,826.18x = 110,811,917.60
  5. Step 5: Solve for x
    x = 110,811,917.60/11,826.18
  6. Step 6: Final answer
    x = 9,370.05

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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.