Home / 11,597.60-17,396.40-7,442.30

Finding the Fourth Proportional to 11,597.60, 17,396.40 and 7,442.30

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Solution

The fourth proportional to 11,597.60, 17,396.40 and 7,442.30 is: 11,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,597.60 : 17,396.40 = 7,442.30 : x
  2. Step 2: Convert to fraction form
    11,597.60/17,396.40 = 7,442.30/x
  3. Step 3: Cross multiply
    11,597.60x = 17,396.40 × 7,442.30
  4. Step 4: Simplify right side
    11,597.60x = 129,469,227.72
  5. Step 5: Solve for x
    x = 129,469,227.72/11,597.60
  6. Step 6: Final answer
    x = 11,163.45

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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.