Home / 11,731.23-16,185.04-8,895.65

Finding the Fourth Proportional to 11,731.23, 16,185.04 and 8,895.65

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Solution

The fourth proportional to 11,731.23, 16,185.04 and 8,895.65 is: 12,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.23 : 16,185.04 = 8,895.65 : x
  2. Step 2: Convert to fraction form
    11,731.23/16,185.04 = 8,895.65/x
  3. Step 3: Cross multiply
    11,731.23x = 16,185.04 × 8,895.65
  4. Step 4: Simplify right side
    11,731.23x = 143,976,451.08
  5. Step 5: Solve for x
    x = 143,976,451.08/11,731.23
  6. Step 6: Final answer
    x = 12,272.92

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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.