Home / 11,957.12-17,935.44-3,749.12

Finding the Fourth Proportional to 11,957.12, 17,935.44 and 3,749.12

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Solution

The fourth proportional to 11,957.12, 17,935.44 and 3,749.12 is: 5,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,957.12 : 17,935.44 = 3,749.12 : x
  2. Step 2: Convert to fraction form
    11,957.12/17,935.44 = 3,749.12/x
  3. Step 3: Cross multiply
    11,957.12x = 17,935.44 × 3,749.12
  4. Step 4: Simplify right side
    11,957.12x = 67,242,116.81
  5. Step 5: Solve for x
    x = 67,242,116.81/11,957.12
  6. Step 6: Final answer
    x = 5,623.60

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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.