Home / 9,520.92-13,143.51-6,339.56

Finding the Fourth Proportional to 9,520.92, 13,143.51 and 6,339.56

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Solution

The fourth proportional to 9,520.92, 13,143.51 and 6,339.56 is: 8,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.92 : 13,143.51 = 6,339.56 : x
  2. Step 2: Convert to fraction form
    9,520.92/13,143.51 = 6,339.56/x
  3. Step 3: Cross multiply
    9,520.92x = 13,143.51 × 6,339.56
  4. Step 4: Simplify right side
    9,520.92x = 83,324,004.54
  5. Step 5: Solve for x
    x = 83,324,004.54/9,520.92
  6. Step 6: Final answer
    x = 8,751.68

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Half scale
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Double 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.