Home / 11,720.28-17,583.24-4,794.80

Finding the Fourth Proportional to 11,720.28, 17,583.24 and 4,794.80

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Solution

The fourth proportional to 11,720.28, 17,583.24 and 4,794.80 is: 7,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.28 : 17,583.24 = 4,794.80 : x
  2. Step 2: Convert to fraction form
    11,720.28/17,583.24 = 4,794.80/x
  3. Step 3: Cross multiply
    11,720.28x = 17,583.24 × 4,794.80
  4. Step 4: Simplify right side
    11,720.28x = 84,308,119.15
  5. Step 5: Solve for x
    x = 84,308,119.15/11,720.28
  6. Step 6: Final answer
    x = 7,193.35

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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.