Home / 10,687.23-16,029.63-3,291.07

Finding the Fourth Proportional to 10,687.23, 16,029.63 and 3,291.07

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Solution

The fourth proportional to 10,687.23, 16,029.63 and 3,291.07 is: 4,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.23 : 16,029.63 = 3,291.07 : x
  2. Step 2: Convert to fraction form
    10,687.23/16,029.63 = 3,291.07/x
  3. Step 3: Cross multiply
    10,687.23x = 16,029.63 × 3,291.07
  4. Step 4: Simplify right side
    10,687.23x = 52,754,634.40
  5. Step 5: Solve for x
    x = 52,754,634.40/10,687.23
  6. Step 6: Final answer
    x = 4,936.23

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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.