Home / 12,530.52-18,796.02-3,765.72

Finding the Fourth Proportional to 12,530.52, 18,796.02 and 3,765.72

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Solution

The fourth proportional to 12,530.52, 18,796.02 and 3,765.72 is: 5,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.52 : 18,796.02 = 3,765.72 : x
  2. Step 2: Convert to fraction form
    12,530.52/18,796.02 = 3,765.72/x
  3. Step 3: Cross multiply
    12,530.52x = 18,796.02 × 3,765.72
  4. Step 4: Simplify right side
    12,530.52x = 70,780,548.43
  5. Step 5: Solve for x
    x = 70,780,548.43/12,530.52
  6. Step 6: Final answer
    x = 5,648.65

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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.