Home / 10,382.91-15,564.79-4,141.43

Finding the Fourth Proportional to 10,382.91, 15,564.79 and 4,141.43

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Solution

The fourth proportional to 10,382.91, 15,564.79 and 4,141.43 is: 6,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.91 : 15,564.79 = 4,141.43 : x
  2. Step 2: Convert to fraction form
    10,382.91/15,564.79 = 4,141.43/x
  3. Step 3: Cross multiply
    10,382.91x = 15,564.79 × 4,141.43
  4. Step 4: Simplify right side
    10,382.91x = 64,460,488.25
  5. Step 5: Solve for x
    x = 64,460,488.25/10,382.91
  6. Step 6: Final answer
    x = 6,208.33

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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.