Home / 10,179.08-15,268.77-3,159.02

Finding the Fourth Proportional to 10,179.08, 15,268.77 and 3,159.02

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Solution

The fourth proportional to 10,179.08, 15,268.77 and 3,159.02 is: 4,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.08 : 15,268.77 = 3,159.02 : x
  2. Step 2: Convert to fraction form
    10,179.08/15,268.77 = 3,159.02/x
  3. Step 3: Cross multiply
    10,179.08x = 15,268.77 × 3,159.02
  4. Step 4: Simplify right side
    10,179.08x = 48,234,273.46
  5. Step 5: Solve for x
    x = 48,234,273.46/10,179.08
  6. Step 6: Final answer
    x = 4,738.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.