Home / 11,631.25-17,436.47-4,230.48

Finding the Fourth Proportional to 11,631.25, 17,436.47 and 4,230.48

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Solution

The fourth proportional to 11,631.25, 17,436.47 and 4,230.48 is: 6,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.25 : 17,436.47 = 4,230.48 : x
  2. Step 2: Convert to fraction form
    11,631.25/17,436.47 = 4,230.48/x
  3. Step 3: Cross multiply
    11,631.25x = 17,436.47 × 4,230.48
  4. Step 4: Simplify right side
    11,631.25x = 73,764,583.76
  5. Step 5: Solve for x
    x = 73,764,583.76/11,631.25
  6. Step 6: Final answer
    x = 6,341.93

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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.