Home / 12,372.28-18,557.76-4,051.24

Finding the Fourth Proportional to 12,372.28, 18,557.76 and 4,051.24

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Solution

The fourth proportional to 12,372.28, 18,557.76 and 4,051.24 is: 6,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.28 : 18,557.76 = 4,051.24 : x
  2. Step 2: Convert to fraction form
    12,372.28/18,557.76 = 4,051.24/x
  3. Step 3: Cross multiply
    12,372.28x = 18,557.76 × 4,051.24
  4. Step 4: Simplify right side
    12,372.28x = 75,181,939.62
  5. Step 5: Solve for x
    x = 75,181,939.62/12,372.28
  6. Step 6: Final answer
    x = 6,076.64

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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.