Home / 10,020.86-15,032.57-3,696.16

Finding the Fourth Proportional to 10,020.86, 15,032.57 and 3,696.16

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Solution

The fourth proportional to 10,020.86, 15,032.57 and 3,696.16 is: 5,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.86 : 15,032.57 = 3,696.16 : x
  2. Step 2: Convert to fraction form
    10,020.86/15,032.57 = 3,696.16/x
  3. Step 3: Cross multiply
    10,020.86x = 15,032.57 × 3,696.16
  4. Step 4: Simplify right side
    10,020.86x = 55,562,783.93
  5. Step 5: Solve for x
    x = 55,562,783.93/10,020.86
  6. Step 6: Final answer
    x = 5,544.71

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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.