Home / 10,328.03-15,481.23-5,055.77

Finding the Fourth Proportional to 10,328.03, 15,481.23 and 5,055.77

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Solution

The fourth proportional to 10,328.03, 15,481.23 and 5,055.77 is: 7,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.03 : 15,481.23 = 5,055.77 : x
  2. Step 2: Convert to fraction form
    10,328.03/15,481.23 = 5,055.77/x
  3. Step 3: Cross multiply
    10,328.03x = 15,481.23 × 5,055.77
  4. Step 4: Simplify right side
    10,328.03x = 78,269,470.86
  5. Step 5: Solve for x
    x = 78,269,470.86/10,328.03
  6. Step 6: Final answer
    x = 7,578.35

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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.