Home / 8,846.09-12,207.60-5,309.33

Finding the Fourth Proportional to 8,846.09, 12,207.60 and 5,309.33

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Solution

The fourth proportional to 8,846.09, 12,207.60 and 5,309.33 is: 7,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.09 : 12,207.60 = 5,309.33 : x
  2. Step 2: Convert to fraction form
    8,846.09/12,207.60 = 5,309.33/x
  3. Step 3: Cross multiply
    8,846.09x = 12,207.60 × 5,309.33
  4. Step 4: Simplify right side
    8,846.09x = 64,814,115.87
  5. Step 5: Solve for x
    x = 64,814,115.87/8,846.09
  6. Step 6: Final answer
    x = 7,326.87

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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.