Home / 7,464.93-11,197.32-2,784.78

Finding the Fourth Proportional to 7,464.93, 11,197.32 and 2,784.78

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Solution

The fourth proportional to 7,464.93, 11,197.32 and 2,784.78 is: 4,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.93 : 11,197.32 = 2,784.78 : x
  2. Step 2: Convert to fraction form
    7,464.93/11,197.32 = 2,784.78/x
  3. Step 3: Cross multiply
    7,464.93x = 11,197.32 × 2,784.78
  4. Step 4: Simplify right side
    7,464.93x = 31,182,072.79
  5. Step 5: Solve for x
    x = 31,182,072.79/7,464.93
  6. Step 6: Final answer
    x = 4,177.14

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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.