Home / 11,720.54-17,583.15-4,325.03

Finding the Fourth Proportional to 11,720.54, 17,583.15 and 4,325.03

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Solution

The fourth proportional to 11,720.54, 17,583.15 and 4,325.03 is: 6,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.54 : 17,583.15 = 4,325.03 : x
  2. Step 2: Convert to fraction form
    11,720.54/17,583.15 = 4,325.03/x
  3. Step 3: Cross multiply
    11,720.54x = 17,583.15 × 4,325.03
  4. Step 4: Simplify right side
    11,720.54x = 76,047,651.24
  5. Step 5: Solve for x
    x = 76,047,651.24/11,720.54
  6. Step 6: Final answer
    x = 6,488.41

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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.