Home / 8,174.45-11,280.58-4,589.49

Finding the Fourth Proportional to 8,174.45, 11,280.58 and 4,589.49

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Solution

The fourth proportional to 8,174.45, 11,280.58 and 4,589.49 is: 6,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.45 : 11,280.58 = 4,589.49 : x
  2. Step 2: Convert to fraction form
    8,174.45/11,280.58 = 4,589.49/x
  3. Step 3: Cross multiply
    8,174.45x = 11,280.58 × 4,589.49
  4. Step 4: Simplify right side
    8,174.45x = 51,772,139.93
  5. Step 5: Solve for x
    x = 51,772,139.93/8,174.45
  6. Step 6: Final answer
    x = 6,333.41

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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.