Home / 11,179.64-15,422.58-8,037.65

Finding the Fourth Proportional to 11,179.64, 15,422.58 and 8,037.65

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Solution

The fourth proportional to 11,179.64, 15,422.58 and 8,037.65 is: 11,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.64 : 15,422.58 = 8,037.65 : x
  2. Step 2: Convert to fraction form
    11,179.64/15,422.58 = 8,037.65/x
  3. Step 3: Cross multiply
    11,179.64x = 15,422.58 × 8,037.65
  4. Step 4: Simplify right side
    11,179.64x = 123,961,223.02
  5. Step 5: Solve for x
    x = 123,961,223.02/11,179.64
  6. Step 6: Final answer
    x = 11,088.13

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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.