Home / 9,751.05-13,456.26-5,718.87

Finding the Fourth Proportional to 9,751.05, 13,456.26 and 5,718.87

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Solution

The fourth proportional to 9,751.05, 13,456.26 and 5,718.87 is: 7,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,751.05 : 13,456.26 = 5,718.87 : x
  2. Step 2: Convert to fraction form
    9,751.05/13,456.26 = 5,718.87/x
  3. Step 3: Cross multiply
    9,751.05x = 13,456.26 × 5,718.87
  4. Step 4: Simplify right side
    9,751.05x = 76,954,601.63
  5. Step 5: Solve for x
    x = 76,954,601.63/9,751.05
  6. Step 6: Final answer
    x = 7,891.93

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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.