Home / 10,696.21-16,045.13-2,905.09

Finding the Fourth Proportional to 10,696.21, 16,045.13 and 2,905.09

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Solution

The fourth proportional to 10,696.21, 16,045.13 and 2,905.09 is: 4,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696.21 : 16,045.13 = 2,905.09 : x
  2. Step 2: Convert to fraction form
    10,696.21/16,045.13 = 2,905.09/x
  3. Step 3: Cross multiply
    10,696.21x = 16,045.13 × 2,905.09
  4. Step 4: Simplify right side
    10,696.21x = 46,612,546.71
  5. Step 5: Solve for x
    x = 46,612,546.71/10,696.21
  6. Step 6: Final answer
    x = 4,357.86

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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.