Home / 8,820.46-13,199.79-6,324.40

Finding the Fourth Proportional to 8,820.46, 13,199.79 and 6,324.40

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Solution

The fourth proportional to 8,820.46, 13,199.79 and 6,324.40 is: 9,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.46 : 13,199.79 = 6,324.40 : x
  2. Step 2: Convert to fraction form
    8,820.46/13,199.79 = 6,324.40/x
  3. Step 3: Cross multiply
    8,820.46x = 13,199.79 × 6,324.40
  4. Step 4: Simplify right side
    8,820.46x = 83,480,751.88
  5. Step 5: Solve for x
    x = 83,480,751.88/8,820.46
  6. Step 6: Final answer
    x = 9,464.44

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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.