Home / 9,940.26-13,718.12-5,748.51

Finding the Fourth Proportional to 9,940.26, 13,718.12 and 5,748.51

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Solution

The fourth proportional to 9,940.26, 13,718.12 and 5,748.51 is: 7,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.26 : 13,718.12 = 5,748.51 : x
  2. Step 2: Convert to fraction form
    9,940.26/13,718.12 = 5,748.51/x
  3. Step 3: Cross multiply
    9,940.26x = 13,718.12 × 5,748.51
  4. Step 4: Simplify right side
    9,940.26x = 78,858,721.26
  5. Step 5: Solve for x
    x = 78,858,721.26/9,940.26
  6. Step 6: Final answer
    x = 7,933.27

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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.