Home / 11,935.21-17,904.75-4,038.20

Finding the Fourth Proportional to 11,935.21, 17,904.75 and 4,038.20

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Solution

The fourth proportional to 11,935.21, 17,904.75 and 4,038.20 is: 6,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.21 : 17,904.75 = 4,038.20 : x
  2. Step 2: Convert to fraction form
    11,935.21/17,904.75 = 4,038.20/x
  3. Step 3: Cross multiply
    11,935.21x = 17,904.75 × 4,038.20
  4. Step 4: Simplify right side
    11,935.21x = 72,303,006.21
  5. Step 5: Solve for x
    x = 72,303,006.21/11,935.21
  6. Step 6: Final answer
    x = 6,057.96

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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.