Home / 7,212.38-10,835.85-4,620.38

Finding the Fourth Proportional to 7,212.38, 10,835.85 and 4,620.38

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Solution

The fourth proportional to 7,212.38, 10,835.85 and 4,620.38 is: 6,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.38 : 10,835.85 = 4,620.38 : x
  2. Step 2: Convert to fraction form
    7,212.38/10,835.85 = 4,620.38/x
  3. Step 3: Cross multiply
    7,212.38x = 10,835.85 × 4,620.38
  4. Step 4: Simplify right side
    7,212.38x = 50,065,744.62
  5. Step 5: Solve for x
    x = 50,065,744.62/7,212.38
  6. Step 6: Final answer
    x = 6,941.64

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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.