Home / 11,149.60-16,724.40-10,177.60

Finding the Fourth Proportional to 11,149.60, 16,724.40 and 10,177.60

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Solution

The fourth proportional to 11,149.60, 16,724.40 and 10,177.60 is: 15,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.60 : 16,724.40 = 10,177.60 : x
  2. Step 2: Convert to fraction form
    11,149.60/16,724.40 = 10,177.60/x
  3. Step 3: Cross multiply
    11,149.60x = 16,724.40 × 10,177.60
  4. Step 4: Simplify right side
    11,149.60x = 170,214,253.44
  5. Step 5: Solve for x
    x = 170,214,253.44/11,149.60
  6. Step 6: Final answer
    x = 15,266.40

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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.