Home / 11,826.44-17,742.06-4,430.72

Finding the Fourth Proportional to 11,826.44, 17,742.06 and 4,430.72

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Solution

The fourth proportional to 11,826.44, 17,742.06 and 4,430.72 is: 6,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.44 : 17,742.06 = 4,430.72 : x
  2. Step 2: Convert to fraction form
    11,826.44/17,742.06 = 4,430.72/x
  3. Step 3: Cross multiply
    11,826.44x = 17,742.06 × 4,430.72
  4. Step 4: Simplify right side
    11,826.44x = 78,610,100.08
  5. Step 5: Solve for x
    x = 78,610,100.08/11,826.44
  6. Step 6: Final answer
    x = 6,646.98

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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.