Home / 8,309.63-11,460.96-5,791.73

Finding the Fourth Proportional to 8,309.63, 11,460.96 and 5,791.73

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Solution

The fourth proportional to 8,309.63, 11,460.96 and 5,791.73 is: 7,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.63 : 11,460.96 = 5,791.73 : x
  2. Step 2: Convert to fraction form
    8,309.63/11,460.96 = 5,791.73/x
  3. Step 3: Cross multiply
    8,309.63x = 11,460.96 × 5,791.73
  4. Step 4: Simplify right side
    8,309.63x = 66,378,785.86
  5. Step 5: Solve for x
    x = 66,378,785.86/8,309.63
  6. Step 6: Final answer
    x = 7,988.18

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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.