Home / 8,485.27-11,709.14-5,126.10

Finding the Fourth Proportional to 8,485.27, 11,709.14 and 5,126.10

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Solution

The fourth proportional to 8,485.27, 11,709.14 and 5,126.10 is: 7,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.27 : 11,709.14 = 5,126.10 : x
  2. Step 2: Convert to fraction form
    8,485.27/11,709.14 = 5,126.10/x
  3. Step 3: Cross multiply
    8,485.27x = 11,709.14 × 5,126.10
  4. Step 4: Simplify right side
    8,485.27x = 60,022,181.85
  5. Step 5: Solve for x
    x = 60,022,181.85/8,485.27
  6. Step 6: Final answer
    x = 7,073.69

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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.