Home / 11,620.46-16,034.25-6,515.84

Finding the Fourth Proportional to 11,620.46, 16,034.25 and 6,515.84

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Solution

The fourth proportional to 11,620.46, 16,034.25 and 6,515.84 is: 8,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.46 : 16,034.25 = 6,515.84 : x
  2. Step 2: Convert to fraction form
    11,620.46/16,034.25 = 6,515.84/x
  3. Step 3: Cross multiply
    11,620.46x = 16,034.25 × 6,515.84
  4. Step 4: Simplify right side
    11,620.46x = 104,476,672.04
  5. Step 5: Solve for x
    x = 104,476,672.04/11,620.46
  6. Step 6: Final answer
    x = 8,990.75

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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.