Home / 11,352.54-17,020.28-7,644.36

Finding the Fourth Proportional to 11,352.54, 17,020.28 and 7,644.36

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Solution

The fourth proportional to 11,352.54, 17,020.28 and 7,644.36 is: 11,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.54 : 17,020.28 = 7,644.36 : x
  2. Step 2: Convert to fraction form
    11,352.54/17,020.28 = 7,644.36/x
  3. Step 3: Cross multiply
    11,352.54x = 17,020.28 × 7,644.36
  4. Step 4: Simplify right side
    11,352.54x = 130,109,147.62
  5. Step 5: Solve for x
    x = 130,109,147.62/11,352.54
  6. Step 6: Final answer
    x = 11,460.80

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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.