Home / 10,687.05-16,032.33-3,291.51

Finding the Fourth Proportional to 10,687.05, 16,032.33 and 3,291.51

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Solution

The fourth proportional to 10,687.05, 16,032.33 and 3,291.51 is: 4,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.05 : 16,032.33 = 3,291.51 : x
  2. Step 2: Convert to fraction form
    10,687.05/16,032.33 = 3,291.51/x
  3. Step 3: Cross multiply
    10,687.05x = 16,032.33 × 3,291.51
  4. Step 4: Simplify right side
    10,687.05x = 52,770,574.52
  5. Step 5: Solve for x
    x = 52,770,574.52/10,687.05
  6. Step 6: Final answer
    x = 4,937.81

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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.