Home / 11,690.46-16,136.19-7,441.65

Finding the Fourth Proportional to 11,690.46, 16,136.19 and 7,441.65

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Solution

The fourth proportional to 11,690.46, 16,136.19 and 7,441.65 is: 10,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.46 : 16,136.19 = 7,441.65 : x
  2. Step 2: Convert to fraction form
    11,690.46/16,136.19 = 7,441.65/x
  3. Step 3: Cross multiply
    11,690.46x = 16,136.19 × 7,441.65
  4. Step 4: Simplify right side
    11,690.46x = 120,079,878.31
  5. Step 5: Solve for x
    x = 120,079,878.31/11,690.46
  6. Step 6: Final answer
    x = 10,271.61

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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.