Home / 12,466.24-18,697.20-3,698.80

Finding the Fourth Proportional to 12,466.24, 18,697.20 and 3,698.80

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Solution

The fourth proportional to 12,466.24, 18,697.20 and 3,698.80 is: 5,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.24 : 18,697.20 = 3,698.80 : x
  2. Step 2: Convert to fraction form
    12,466.24/18,697.20 = 3,698.80/x
  3. Step 3: Cross multiply
    12,466.24x = 18,697.20 × 3,698.80
  4. Step 4: Simplify right side
    12,466.24x = 69,157,203.36
  5. Step 5: Solve for x
    x = 69,157,203.36/12,466.24
  6. Step 6: Final answer
    x = 5,547.56

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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.