Home / 8,076.04-12,132.29-4,791.30

Finding the Fourth Proportional to 8,076.04, 12,132.29 and 4,791.30

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Solution

The fourth proportional to 8,076.04, 12,132.29 and 4,791.30 is: 7,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.04 : 12,132.29 = 4,791.30 : x
  2. Step 2: Convert to fraction form
    8,076.04/12,132.29 = 4,791.30/x
  3. Step 3: Cross multiply
    8,076.04x = 12,132.29 × 4,791.30
  4. Step 4: Simplify right side
    8,076.04x = 58,129,441.08
  5. Step 5: Solve for x
    x = 58,129,441.08/8,076.04
  6. Step 6: Final answer
    x = 7,197.77

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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.