Home / 11,350.20-17,025.30-7,663.80

Finding the Fourth Proportional to 11,350.20, 17,025.30 and 7,663.80

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Solution

The fourth proportional to 11,350.20, 17,025.30 and 7,663.80 is: 11,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.20 : 17,025.30 = 7,663.80 : x
  2. Step 2: Convert to fraction form
    11,350.20/17,025.30 = 7,663.80/x
  3. Step 3: Cross multiply
    11,350.20x = 17,025.30 × 7,663.80
  4. Step 4: Simplify right side
    11,350.20x = 130,478,494.14
  5. Step 5: Solve for x
    x = 130,478,494.14/11,350.20
  6. Step 6: Final answer
    x = 11,495.70

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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.