Home / 17,608.36-26,417.13-5,128.11

Finding the Fourth Proportional to 17,608.36, 26,417.13 and 5,128.11

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Solution

The fourth proportional to 17,608.36, 26,417.13 and 5,128.11 is: 7,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.36 : 26,417.13 = 5,128.11 : x
  2. Step 2: Convert to fraction form
    17,608.36/26,417.13 = 5,128.11/x
  3. Step 3: Cross multiply
    17,608.36x = 26,417.13 × 5,128.11
  4. Step 4: Simplify right side
    17,608.36x = 135,469,816.44
  5. Step 5: Solve for x
    x = 135,469,816.44/17,608.36
  6. Step 6: Final answer
    x = 7,693.50

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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.