Home / 12,659.04-17,469.40-6,994.16

Finding the Fourth Proportional to 12,659.04, 17,469.40 and 6,994.16

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Solution

The fourth proportional to 12,659.04, 17,469.40 and 6,994.16 is: 9,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.04 : 17,469.40 = 6,994.16 : x
  2. Step 2: Convert to fraction form
    12,659.04/17,469.40 = 6,994.16/x
  3. Step 3: Cross multiply
    12,659.04x = 17,469.40 × 6,994.16
  4. Step 4: Simplify right side
    12,659.04x = 122,183,778.70
  5. Step 5: Solve for x
    x = 122,183,778.70/12,659.04
  6. Step 6: Final answer
    x = 9,651.90

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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.