Home / 9,012.24-13,518.36-3,168.86

Finding the Fourth Proportional to 9,012.24, 13,518.36 and 3,168.86

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Solution

The fourth proportional to 9,012.24, 13,518.36 and 3,168.86 is: 4,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.24 : 13,518.36 = 3,168.86 : x
  2. Step 2: Convert to fraction form
    9,012.24/13,518.36 = 3,168.86/x
  3. Step 3: Cross multiply
    9,012.24x = 13,518.36 × 3,168.86
  4. Step 4: Simplify right side
    9,012.24x = 42,837,722.68
  5. Step 5: Solve for x
    x = 42,837,722.68/9,012.24
  6. Step 6: Final answer
    x = 4,753.28

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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.