Home / 12,441.60-17,169.15-6,776.41

Finding the Fourth Proportional to 12,441.60, 17,169.15 and 6,776.41

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Solution

The fourth proportional to 12,441.60, 17,169.15 and 6,776.41 is: 9,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.60 : 17,169.15 = 6,776.41 : x
  2. Step 2: Convert to fraction form
    12,441.60/17,169.15 = 6,776.41/x
  3. Step 3: Cross multiply
    12,441.60x = 17,169.15 × 6,776.41
  4. Step 4: Simplify right side
    12,441.60x = 116,345,199.75
  5. Step 5: Solve for x
    x = 116,345,199.75/12,441.60
  6. Step 6: Final answer
    x = 9,351.31

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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.