Home / 12,090.24-16,683.39-6,784.02

Finding the Fourth Proportional to 12,090.24, 16,683.39 and 6,784.02

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Solution

The fourth proportional to 12,090.24, 16,683.39 and 6,784.02 is: 9,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.24 : 16,683.39 = 6,784.02 : x
  2. Step 2: Convert to fraction form
    12,090.24/16,683.39 = 6,784.02/x
  3. Step 3: Cross multiply
    12,090.24x = 16,683.39 × 6,784.02
  4. Step 4: Simplify right side
    12,090.24x = 113,180,451.43
  5. Step 5: Solve for x
    x = 113,180,451.43/12,090.24
  6. Step 6: Final answer
    x = 9,361.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.