Home / 11,826.77-16,319.95-6,790.88

Finding the Fourth Proportional to 11,826.77, 16,319.95 and 6,790.88

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Solution

The fourth proportional to 11,826.77, 16,319.95 and 6,790.88 is: 9,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.77 : 16,319.95 = 6,790.88 : x
  2. Step 2: Convert to fraction form
    11,826.77/16,319.95 = 6,790.88/x
  3. Step 3: Cross multiply
    11,826.77x = 16,319.95 × 6,790.88
  4. Step 4: Simplify right side
    11,826.77x = 110,826,845.88
  5. Step 5: Solve for x
    x = 110,826,845.88/11,826.77
  6. Step 6: Final answer
    x = 9,370.85

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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.