Home / 8,729.88-12,047.24-4,751.04

Finding the Fourth Proportional to 8,729.88, 12,047.24 and 4,751.04

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Solution

The fourth proportional to 8,729.88, 12,047.24 and 4,751.04 is: 6,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.88 : 12,047.24 = 4,751.04 : x
  2. Step 2: Convert to fraction form
    8,729.88/12,047.24 = 4,751.04/x
  3. Step 3: Cross multiply
    8,729.88x = 12,047.24 × 4,751.04
  4. Step 4: Simplify right side
    8,729.88x = 57,236,919.13
  5. Step 5: Solve for x
    x = 57,236,919.13/8,729.88
  6. Step 6: Final answer
    x = 6,556.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.