Home / 11,314.52-16,973.66-4,741.20

Finding the Fourth Proportional to 11,314.52, 16,973.66 and 4,741.20

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Solution

The fourth proportional to 11,314.52, 16,973.66 and 4,741.20 is: 7,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.52 : 16,973.66 = 4,741.20 : x
  2. Step 2: Convert to fraction form
    11,314.52/16,973.66 = 4,741.20/x
  3. Step 3: Cross multiply
    11,314.52x = 16,973.66 × 4,741.20
  4. Step 4: Simplify right side
    11,314.52x = 80,475,431.92
  5. Step 5: Solve for x
    x = 80,475,431.92/11,314.52
  6. Step 6: Final answer
    x = 7,112.58

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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.