Home / 7,847.38-10,834.14-5,197.06

Finding the Fourth Proportional to 7,847.38, 10,834.14 and 5,197.06

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Solution

The fourth proportional to 7,847.38, 10,834.14 and 5,197.06 is: 7,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.38 : 10,834.14 = 5,197.06 : x
  2. Step 2: Convert to fraction form
    7,847.38/10,834.14 = 5,197.06/x
  3. Step 3: Cross multiply
    7,847.38x = 10,834.14 × 5,197.06
  4. Step 4: Simplify right side
    7,847.38x = 56,305,675.63
  5. Step 5: Solve for x
    x = 56,305,675.63/7,847.38
  6. Step 6: Final answer
    x = 7,175.09

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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.