Home / 11,179.76-15,422.75-8,037.77

Finding the Fourth Proportional to 11,179.76, 15,422.75 and 8,037.77

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Solution

The fourth proportional to 11,179.76, 15,422.75 and 8,037.77 is: 11,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.76 : 15,422.75 = 8,037.77 : x
  2. Step 2: Convert to fraction form
    11,179.76/15,422.75 = 8,037.77/x
  3. Step 3: Cross multiply
    11,179.76x = 15,422.75 × 8,037.77
  4. Step 4: Simplify right side
    11,179.76x = 123,964,537.36
  5. Step 5: Solve for x
    x = 123,964,537.36/11,179.76
  6. Step 6: Final answer
    x = 11,088.30

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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.