Home / 7,936.12-10,953.39-4,578.82

Finding the Fourth Proportional to 7,936.12, 10,953.39 and 4,578.82

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Solution

The fourth proportional to 7,936.12, 10,953.39 and 4,578.82 is: 6,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.12 : 10,953.39 = 4,578.82 : x
  2. Step 2: Convert to fraction form
    7,936.12/10,953.39 = 4,578.82/x
  3. Step 3: Cross multiply
    7,936.12x = 10,953.39 × 4,578.82
  4. Step 4: Simplify right side
    7,936.12x = 50,153,601.20
  5. Step 5: Solve for x
    x = 50,153,601.20/7,936.12
  6. Step 6: Final answer
    x = 6,319.66

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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.