Home / 11,450.02-17,145.87-7,542.58

Finding the Fourth Proportional to 11,450.02, 17,145.87 and 7,542.58

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Solution

The fourth proportional to 11,450.02, 17,145.87 and 7,542.58 is: 11,294.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.02 : 17,145.87 = 7,542.58 : x
  2. Step 2: Convert to fraction form
    11,450.02/17,145.87 = 7,542.58/x
  3. Step 3: Cross multiply
    11,450.02x = 17,145.87 × 7,542.58
  4. Step 4: Simplify right side
    11,450.02x = 129,324,096.14
  5. Step 5: Solve for x
    x = 129,324,096.14/11,450.02
  6. Step 6: Final answer
    x = 11,294.66

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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.