Home / 11,684.36-16,124.85-6,649.04

Finding the Fourth Proportional to 11,684.36, 16,124.85 and 6,649.04

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Solution

The fourth proportional to 11,684.36, 16,124.85 and 6,649.04 is: 9,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.36 : 16,124.85 = 6,649.04 : x
  2. Step 2: Convert to fraction form
    11,684.36/16,124.85 = 6,649.04/x
  3. Step 3: Cross multiply
    11,684.36x = 16,124.85 × 6,649.04
  4. Step 4: Simplify right side
    11,684.36x = 107,214,692.02
  5. Step 5: Solve for x
    x = 107,214,692.02/11,684.36
  6. Step 6: Final answer
    x = 9,175.92

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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.