Home / 12,469.96-17,210.69-11,909.44

Finding the Fourth Proportional to 12,469.96, 17,210.69 and 11,909.44

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Solution

The fourth proportional to 12,469.96, 17,210.69 and 11,909.44 is: 16,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.96 : 17,210.69 = 11,909.44 : x
  2. Step 2: Convert to fraction form
    12,469.96/17,210.69 = 11,909.44/x
  3. Step 3: Cross multiply
    12,469.96x = 17,210.69 × 11,909.44
  4. Step 4: Simplify right side
    12,469.96x = 204,969,679.91
  5. Step 5: Solve for x
    x = 204,969,679.91/12,469.96
  6. Step 6: Final answer
    x = 16,437.08

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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.