Home / 8,101.26-11,180.16-4,957.92

Finding the Fourth Proportional to 8,101.26, 11,180.16 and 4,957.92

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Solution

The fourth proportional to 8,101.26, 11,180.16 and 4,957.92 is: 6,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.26 : 11,180.16 = 4,957.92 : x
  2. Step 2: Convert to fraction form
    8,101.26/11,180.16 = 4,957.92/x
  3. Step 3: Cross multiply
    8,101.26x = 11,180.16 × 4,957.92
  4. Step 4: Simplify right side
    8,101.26x = 55,430,338.87
  5. Step 5: Solve for x
    x = 55,430,338.87/8,101.26
  6. Step 6: Final answer
    x = 6,842.19

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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.