Home / 11,451.04-17,179.76-4,877.60

Finding the Fourth Proportional to 11,451.04, 17,179.76 and 4,877.60

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Solution

The fourth proportional to 11,451.04, 17,179.76 and 4,877.60 is: 7,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.04 : 17,179.76 = 4,877.60 : x
  2. Step 2: Convert to fraction form
    11,451.04/17,179.76 = 4,877.60/x
  3. Step 3: Cross multiply
    11,451.04x = 17,179.76 × 4,877.60
  4. Step 4: Simplify right side
    11,451.04x = 83,795,997.38
  5. Step 5: Solve for x
    x = 83,795,997.38/11,451.04
  6. Step 6: Final answer
    x = 7,317.76

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1.5x scale

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.