Home / 11,826.17-16,319.99-6,520.98

Finding the Fourth Proportional to 11,826.17, 16,319.99 and 6,520.98

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Solution

The fourth proportional to 11,826.17, 16,319.99 and 6,520.98 is: 8,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.17 : 16,319.99 = 6,520.98 : x
  2. Step 2: Convert to fraction form
    11,826.17/16,319.99 = 6,520.98/x
  3. Step 3: Cross multiply
    11,826.17x = 16,319.99 × 6,520.98
  4. Step 4: Simplify right side
    11,826.17x = 106,422,295.79
  5. Step 5: Solve for x
    x = 106,422,295.79/11,826.17
  6. Step 6: Final answer
    x = 8,998.88

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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.