Home / 8,556.12-12,836.07-3,009.83

Finding the Fourth Proportional to 8,556.12, 12,836.07 and 3,009.83

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Solution

The fourth proportional to 8,556.12, 12,836.07 and 3,009.83 is: 4,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.12 : 12,836.07 = 3,009.83 : x
  2. Step 2: Convert to fraction form
    8,556.12/12,836.07 = 3,009.83/x
  3. Step 3: Cross multiply
    8,556.12x = 12,836.07 × 3,009.83
  4. Step 4: Simplify right side
    8,556.12x = 38,634,324.39
  5. Step 5: Solve for x
    x = 38,634,324.39/8,556.12
  6. Step 6: Final answer
    x = 4,515.40

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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.