Home / 7,103.97-10,640.48-5,857.38

Finding the Fourth Proportional to 7,103.97, 10,640.48 and 5,857.38

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Solution

The fourth proportional to 7,103.97, 10,640.48 and 5,857.38 is: 8,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.97 : 10,640.48 = 5,857.38 : x
  2. Step 2: Convert to fraction form
    7,103.97/10,640.48 = 5,857.38/x
  3. Step 3: Cross multiply
    7,103.97x = 10,640.48 × 5,857.38
  4. Step 4: Simplify right side
    7,103.97x = 62,325,305.46
  5. Step 5: Solve for x
    x = 62,325,305.46/7,103.97
  6. Step 6: Final answer
    x = 8,773.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.