Home / 7,195.12-10,768.29-4,423.55

Finding the Fourth Proportional to 7,195.12, 10,768.29 and 4,423.55

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Solution

The fourth proportional to 7,195.12, 10,768.29 and 4,423.55 is: 6,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.12 : 10,768.29 = 4,423.55 : x
  2. Step 2: Convert to fraction form
    7,195.12/10,768.29 = 4,423.55/x
  3. Step 3: Cross multiply
    7,195.12x = 10,768.29 × 4,423.55
  4. Step 4: Simplify right side
    7,195.12x = 47,634,069.23
  5. Step 5: Solve for x
    x = 47,634,069.23/7,195.12
  6. Step 6: Final answer
    x = 6,620.33

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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.