Home / 11,971.26-17,954.59-7,035.13

Finding the Fourth Proportional to 11,971.26, 17,954.59 and 7,035.13

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Solution

The fourth proportional to 11,971.26, 17,954.59 and 7,035.13 is: 10,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.26 : 17,954.59 = 7,035.13 : x
  2. Step 2: Convert to fraction form
    11,971.26/17,954.59 = 7,035.13/x
  3. Step 3: Cross multiply
    11,971.26x = 17,954.59 × 7,035.13
  4. Step 4: Simplify right side
    11,971.26x = 126,312,936.13
  5. Step 5: Solve for x
    x = 126,312,936.13/11,971.26
  6. Step 6: Final answer
    x = 10,551.35

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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.