Home / 12,422.48-17,136.48-9,433.36

Finding the Fourth Proportional to 12,422.48, 17,136.48 and 9,433.36

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Solution

The fourth proportional to 12,422.48, 17,136.48 and 9,433.36 is: 13,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.48 : 17,136.48 = 9,433.36 : x
  2. Step 2: Convert to fraction form
    12,422.48/17,136.48 = 9,433.36/x
  3. Step 3: Cross multiply
    12,422.48x = 17,136.48 × 9,433.36
  4. Step 4: Simplify right side
    12,422.48x = 161,654,584.97
  5. Step 5: Solve for x
    x = 161,654,584.97/12,422.48
  6. Step 6: Final answer
    x = 13,013.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.