Home / 7,651.18-11,476.83-4,186.54

Finding the Fourth Proportional to 7,651.18, 11,476.83 and 4,186.54

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Solution

The fourth proportional to 7,651.18, 11,476.83 and 4,186.54 is: 6,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.18 : 11,476.83 = 4,186.54 : x
  2. Step 2: Convert to fraction form
    7,651.18/11,476.83 = 4,186.54/x
  3. Step 3: Cross multiply
    7,651.18x = 11,476.83 × 4,186.54
  4. Step 4: Simplify right side
    7,651.18x = 48,048,207.87
  5. Step 5: Solve for x
    x = 48,048,207.87/7,651.18
  6. Step 6: Final answer
    x = 6,279.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.