Home / 11,615.03-17,422.58-3,294.80

Finding the Fourth Proportional to 11,615.03, 17,422.58 and 3,294.80

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Solution

The fourth proportional to 11,615.03, 17,422.58 and 3,294.80 is: 4,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.03 : 17,422.58 = 3,294.80 : x
  2. Step 2: Convert to fraction form
    11,615.03/17,422.58 = 3,294.80/x
  3. Step 3: Cross multiply
    11,615.03x = 17,422.58 × 3,294.80
  4. Step 4: Simplify right side
    11,615.03x = 57,403,837.71
  5. Step 5: Solve for x
    x = 57,403,837.71/11,615.03
  6. Step 6: Final answer
    x = 4,942.21

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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.