Home / 8,350.23-11,520.94-4,812.76

Finding the Fourth Proportional to 8,350.23, 11,520.94 and 4,812.76

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Solution

The fourth proportional to 8,350.23, 11,520.94 and 4,812.76 is: 6,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.23 : 11,520.94 = 4,812.76 : x
  2. Step 2: Convert to fraction form
    8,350.23/11,520.94 = 4,812.76/x
  3. Step 3: Cross multiply
    8,350.23x = 11,520.94 × 4,812.76
  4. Step 4: Simplify right side
    8,350.23x = 55,447,519.19
  5. Step 5: Solve for x
    x = 55,447,519.19/8,350.23
  6. Step 6: Final answer
    x = 6,640.24

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Half scale
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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.