Home / 7,922.76-10,934.85-4,940.55

Finding the Fourth Proportional to 7,922.76, 10,934.85 and 4,940.55

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Solution

The fourth proportional to 7,922.76, 10,934.85 and 4,940.55 is: 6,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.76 : 10,934.85 = 4,940.55 : x
  2. Step 2: Convert to fraction form
    7,922.76/10,934.85 = 4,940.55/x
  3. Step 3: Cross multiply
    7,922.76x = 10,934.85 × 4,940.55
  4. Step 4: Simplify right side
    7,922.76x = 54,024,173.17
  5. Step 5: Solve for x
    x = 54,024,173.17/7,922.76
  6. Step 6: Final answer
    x = 6,818.86

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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.