Home / 12,622.33-17,412.19-9,632.97

Finding the Fourth Proportional to 12,622.33, 17,412.19 and 9,632.97

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Solution

The fourth proportional to 12,622.33, 17,412.19 and 9,632.97 is: 13,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.33 : 17,412.19 = 9,632.97 : x
  2. Step 2: Convert to fraction form
    12,622.33/17,412.19 = 9,632.97/x
  3. Step 3: Cross multiply
    12,622.33x = 17,412.19 × 9,632.97
  4. Step 4: Simplify right side
    12,622.33x = 167,731,103.90
  5. Step 5: Solve for x
    x = 167,731,103.90/12,622.33
  6. Step 6: Final answer
    x = 13,288.44

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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.