Home / 7,718.39-10,651.79-4,361.34

Finding the Fourth Proportional to 7,718.39, 10,651.79 and 4,361.34

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Solution

The fourth proportional to 7,718.39, 10,651.79 and 4,361.34 is: 6,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.39 : 10,651.79 = 4,361.34 : x
  2. Step 2: Convert to fraction form
    7,718.39/10,651.79 = 4,361.34/x
  3. Step 3: Cross multiply
    7,718.39x = 10,651.79 × 4,361.34
  4. Step 4: Simplify right side
    7,718.39x = 46,456,055.99
  5. Step 5: Solve for x
    x = 46,456,055.99/7,718.39
  6. Step 6: Final answer
    x = 6,018.88

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Half scale
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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.