Home / 7,936.56-10,953.78-4,578.75

Finding the Fourth Proportional to 7,936.56, 10,953.78 and 4,578.75

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Solution

The fourth proportional to 7,936.56, 10,953.78 and 4,578.75 is: 6,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.56 : 10,953.78 = 4,578.75 : x
  2. Step 2: Convert to fraction form
    7,936.56/10,953.78 = 4,578.75/x
  3. Step 3: Cross multiply
    7,936.56x = 10,953.78 × 4,578.75
  4. Step 4: Simplify right side
    7,936.56x = 50,154,620.18
  5. Step 5: Solve for x
    x = 50,154,620.18/7,936.56
  6. Step 6: Final answer
    x = 6,319.44

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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.