Home / 10,021.92-15,021.09-4,095.12

Finding the Fourth Proportional to 10,021.92, 15,021.09 and 4,095.12

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Solution

The fourth proportional to 10,021.92, 15,021.09 and 4,095.12 is: 6,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.92 : 15,021.09 = 4,095.12 : x
  2. Step 2: Convert to fraction form
    10,021.92/15,021.09 = 4,095.12/x
  3. Step 3: Cross multiply
    10,021.92x = 15,021.09 × 4,095.12
  4. Step 4: Simplify right side
    10,021.92x = 61,513,166.08
  5. Step 5: Solve for x
    x = 61,513,166.08/10,021.92
  6. Step 6: Final answer
    x = 6,137.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.