Home / 10,091.38-15,137.06-3,071.38

Finding the Fourth Proportional to 10,091.38, 15,137.06 and 3,071.38

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Solution

The fourth proportional to 10,091.38, 15,137.06 and 3,071.38 is: 4,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.38 : 15,137.06 = 3,071.38 : x
  2. Step 2: Convert to fraction form
    10,091.38/15,137.06 = 3,071.38/x
  3. Step 3: Cross multiply
    10,091.38x = 15,137.06 × 3,071.38
  4. Step 4: Simplify right side
    10,091.38x = 46,491,663.34
  5. Step 5: Solve for x
    x = 46,491,663.34/10,091.38
  6. Step 6: Final answer
    x = 4,607.07

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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.