Home / 7,647.32-11,469.90-2,452.52

Finding the Fourth Proportional to 7,647.32, 11,469.90 and 2,452.52

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Solution

The fourth proportional to 7,647.32, 11,469.90 and 2,452.52 is: 3,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.32 : 11,469.90 = 2,452.52 : x
  2. Step 2: Convert to fraction form
    7,647.32/11,469.90 = 2,452.52/x
  3. Step 3: Cross multiply
    7,647.32x = 11,469.90 × 2,452.52
  4. Step 4: Simplify right side
    7,647.32x = 28,130,159.15
  5. Step 5: Solve for x
    x = 28,130,159.15/7,647.32
  6. Step 6: Final answer
    x = 3,678.43

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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.