Home / 10,173.60-15,247.26-8,200.14

Finding the Fourth Proportional to 10,173.60, 15,247.26 and 8,200.14

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Solution

The fourth proportional to 10,173.60, 15,247.26 and 8,200.14 is: 12,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.60 : 15,247.26 = 8,200.14 : x
  2. Step 2: Convert to fraction form
    10,173.60/15,247.26 = 8,200.14/x
  3. Step 3: Cross multiply
    10,173.60x = 15,247.26 × 8,200.14
  4. Step 4: Simplify right side
    10,173.60x = 125,029,666.62
  5. Step 5: Solve for x
    x = 125,029,666.62/10,173.60
  6. Step 6: Final answer
    x = 12,289.62

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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.