Home / 7,932.64-10,942.09-5,103.70

Finding the Fourth Proportional to 7,932.64, 10,942.09 and 5,103.70

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Solution

The fourth proportional to 7,932.64, 10,942.09 and 5,103.70 is: 7,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.64 : 10,942.09 = 5,103.70 : x
  2. Step 2: Convert to fraction form
    7,932.64/10,942.09 = 5,103.70/x
  3. Step 3: Cross multiply
    7,932.64x = 10,942.09 × 5,103.70
  4. Step 4: Simplify right side
    7,932.64x = 55,845,144.73
  5. Step 5: Solve for x
    x = 55,845,144.73/7,932.64
  6. Step 6: Final answer
    x = 7,039.92

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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.