Home / 11,636.83-17,445.36-4,621.78

Finding the Fourth Proportional to 11,636.83, 17,445.36 and 4,621.78

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Solution

The fourth proportional to 11,636.83, 17,445.36 and 4,621.78 is: 6,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,636.83 : 17,445.36 = 4,621.78 : x
  2. Step 2: Convert to fraction form
    11,636.83/17,445.36 = 4,621.78/x
  3. Step 3: Cross multiply
    11,636.83x = 17,445.36 × 4,621.78
  4. Step 4: Simplify right side
    11,636.83x = 80,628,572.33
  5. Step 5: Solve for x
    x = 80,628,572.33/11,636.83
  6. Step 6: Final answer
    x = 6,928.74

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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.