Home / 7,176.05-9,912.35-4,934.03

Finding the Fourth Proportional to 7,176.05, 9,912.35 and 4,934.03

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Solution

The fourth proportional to 7,176.05, 9,912.35 and 4,934.03 is: 6,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.05 : 9,912.35 = 4,934.03 : x
  2. Step 2: Convert to fraction form
    7,176.05/9,912.35 = 4,934.03/x
  3. Step 3: Cross multiply
    7,176.05x = 9,912.35 × 4,934.03
  4. Step 4: Simplify right side
    7,176.05x = 48,907,758.04
  5. Step 5: Solve for x
    x = 48,907,758.04/7,176.05
  6. Step 6: Final answer
    x = 6,815.42

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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.