Home / 11,078.48-16,618.04-3,683.68

Finding the Fourth Proportional to 11,078.48, 16,618.04 and 3,683.68

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Solution

The fourth proportional to 11,078.48, 16,618.04 and 3,683.68 is: 5,525.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.48 : 16,618.04 = 3,683.68 : x
  2. Step 2: Convert to fraction form
    11,078.48/16,618.04 = 3,683.68/x
  3. Step 3: Cross multiply
    11,078.48x = 16,618.04 × 3,683.68
  4. Step 4: Simplify right side
    11,078.48x = 61,215,541.59
  5. Step 5: Solve for x
    x = 61,215,541.59/11,078.48
  6. Step 6: Final answer
    x = 5,525.63

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1.5x scale

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.