Home / 8,174.24-11,280.48-5,029.76

Finding the Fourth Proportional to 8,174.24, 11,280.48 and 5,029.76

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Solution

The fourth proportional to 8,174.24, 11,280.48 and 5,029.76 is: 6,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.24 : 11,280.48 = 5,029.76 : x
  2. Step 2: Convert to fraction form
    8,174.24/11,280.48 = 5,029.76/x
  3. Step 3: Cross multiply
    8,174.24x = 11,280.48 × 5,029.76
  4. Step 4: Simplify right side
    8,174.24x = 56,738,107.08
  5. Step 5: Solve for x
    x = 56,738,107.08/8,174.24
  6. Step 6: Final answer
    x = 6,941.09

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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.