Home / 10,171.60-15,251.46-4,325.20

Finding the Fourth Proportional to 10,171.60, 15,251.46 and 4,325.20

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Solution

The fourth proportional to 10,171.60, 15,251.46 and 4,325.20 is: 6,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.60 : 15,251.46 = 4,325.20 : x
  2. Step 2: Convert to fraction form
    10,171.60/15,251.46 = 4,325.20/x
  3. Step 3: Cross multiply
    10,171.60x = 15,251.46 × 4,325.20
  4. Step 4: Simplify right side
    10,171.60x = 65,965,614.79
  5. Step 5: Solve for x
    x = 65,965,614.79/10,171.60
  6. Step 6: Final answer
    x = 6,485.27

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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.