Home / 7,433.86-11,149.53-2,756.08

Finding the Fourth Proportional to 7,433.86, 11,149.53 and 2,756.08

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Solution

The fourth proportional to 7,433.86, 11,149.53 and 2,756.08 is: 4,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.86 : 11,149.53 = 2,756.08 : x
  2. Step 2: Convert to fraction form
    7,433.86/11,149.53 = 2,756.08/x
  3. Step 3: Cross multiply
    7,433.86x = 11,149.53 × 2,756.08
  4. Step 4: Simplify right side
    7,433.86x = 30,728,996.64
  5. Step 5: Solve for x
    x = 30,728,996.64/7,433.86
  6. Step 6: Final answer
    x = 4,133.65

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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.