Home / 11,346.32-17,019.80-3,555.60

Finding the Fourth Proportional to 11,346.32, 17,019.80 and 3,555.60

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Solution

The fourth proportional to 11,346.32, 17,019.80 and 3,555.60 is: 5,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.32 : 17,019.80 = 3,555.60 : x
  2. Step 2: Convert to fraction form
    11,346.32/17,019.80 = 3,555.60/x
  3. Step 3: Cross multiply
    11,346.32x = 17,019.80 × 3,555.60
  4. Step 4: Simplify right side
    11,346.32x = 60,515,600.88
  5. Step 5: Solve for x
    x = 60,515,600.88/11,346.32
  6. Step 6: Final answer
    x = 5,333.50

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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.