Home / 6,176.12-8,520.93-3,521.61

Finding the Fourth Proportional to 6,176.12, 8,520.93 and 3,521.61

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Solution

The fourth proportional to 6,176.12, 8,520.93 and 3,521.61 is: 4,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176.12 : 8,520.93 = 3,521.61 : x
  2. Step 2: Convert to fraction form
    6,176.12/8,520.93 = 3,521.61/x
  3. Step 3: Cross multiply
    6,176.12x = 8,520.93 × 3,521.61
  4. Step 4: Simplify right side
    6,176.12x = 30,007,392.30
  5. Step 5: Solve for x
    x = 30,007,392.30/6,176.12
  6. Step 6: Final answer
    x = 4,858.62

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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.