Home / 9,309.52-12,847.32-5,117.92

Finding the Fourth Proportional to 9,309.52, 12,847.32 and 5,117.92

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Solution

The fourth proportional to 9,309.52, 12,847.32 and 5,117.92 is: 7,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.52 : 12,847.32 = 5,117.92 : x
  2. Step 2: Convert to fraction form
    9,309.52/12,847.32 = 5,117.92/x
  3. Step 3: Cross multiply
    9,309.52x = 12,847.32 × 5,117.92
  4. Step 4: Simplify right side
    9,309.52x = 65,751,555.97
  5. Step 5: Solve for x
    x = 65,751,555.97/9,309.52
  6. Step 6: Final answer
    x = 7,062.83

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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.