Home / 7,334.40-11,004.80-3,436.80

Finding the Fourth Proportional to 7,334.40, 11,004.80 and 3,436.80

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Solution

The fourth proportional to 7,334.40, 11,004.80 and 3,436.80 is: 5,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.40 : 11,004.80 = 3,436.80 : x
  2. Step 2: Convert to fraction form
    7,334.40/11,004.80 = 3,436.80/x
  3. Step 3: Cross multiply
    7,334.40x = 11,004.80 × 3,436.80
  4. Step 4: Simplify right side
    7,334.40x = 37,821,296.64
  5. Step 5: Solve for x
    x = 37,821,296.64/7,334.40
  6. Step 6: Final answer
    x = 5,156.70

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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.