Home / 11,143.13-16,710.82-3,243.51

Finding the Fourth Proportional to 11,143.13, 16,710.82 and 3,243.51

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Solution

The fourth proportional to 11,143.13, 16,710.82 and 3,243.51 is: 4,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.13 : 16,710.82 = 3,243.51 : x
  2. Step 2: Convert to fraction form
    11,143.13/16,710.82 = 3,243.51/x
  3. Step 3: Cross multiply
    11,143.13x = 16,710.82 × 3,243.51
  4. Step 4: Simplify right side
    11,143.13x = 54,201,703.67
  5. Step 5: Solve for x
    x = 54,201,703.67/11,143.13
  6. Step 6: Final answer
    x = 4,864.14

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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.