Home / 8,175.48-11,281.83-4,638.62

Finding the Fourth Proportional to 8,175.48, 11,281.83 and 4,638.62

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Solution

The fourth proportional to 8,175.48, 11,281.83 and 4,638.62 is: 6,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.48 : 11,281.83 = 4,638.62 : x
  2. Step 2: Convert to fraction form
    8,175.48/11,281.83 = 4,638.62/x
  3. Step 3: Cross multiply
    8,175.48x = 11,281.83 × 4,638.62
  4. Step 4: Simplify right side
    8,175.48x = 52,332,122.27
  5. Step 5: Solve for x
    x = 52,332,122.27/8,175.48
  6. Step 6: Final answer
    x = 6,401.11

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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.