Home / 7,750.60-10,696.80-4,766.86

Finding the Fourth Proportional to 7,750.60, 10,696.80 and 4,766.86

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Solution

The fourth proportional to 7,750.60, 10,696.80 and 4,766.86 is: 6,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.60 : 10,696.80 = 4,766.86 : x
  2. Step 2: Convert to fraction form
    7,750.60/10,696.80 = 4,766.86/x
  3. Step 3: Cross multiply
    7,750.60x = 10,696.80 × 4,766.86
  4. Step 4: Simplify right side
    7,750.60x = 50,990,148.05
  5. Step 5: Solve for x
    x = 50,990,148.05/7,750.60
  6. Step 6: Final answer
    x = 6,578.86

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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.