Home / 7,331.40-10,994.67-2,136.06

Finding the Fourth Proportional to 7,331.40, 10,994.67 and 2,136.06

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Solution

The fourth proportional to 7,331.40, 10,994.67 and 2,136.06 is: 3,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.40 : 10,994.67 = 2,136.06 : x
  2. Step 2: Convert to fraction form
    7,331.40/10,994.67 = 2,136.06/x
  3. Step 3: Cross multiply
    7,331.40x = 10,994.67 × 2,136.06
  4. Step 4: Simplify right side
    7,331.40x = 23,485,274.80
  5. Step 5: Solve for x
    x = 23,485,274.80/7,331.40
  6. Step 6: Final answer
    x = 3,203.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.