Home / 11,343.20-17,025.60-5,802.80

Finding the Fourth Proportional to 11,343.20, 17,025.60 and 5,802.80

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Solution

The fourth proportional to 11,343.20, 17,025.60 and 5,802.80 is: 8,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.20 : 17,025.60 = 5,802.80 : x
  2. Step 2: Convert to fraction form
    11,343.20/17,025.60 = 5,802.80/x
  3. Step 3: Cross multiply
    11,343.20x = 17,025.60 × 5,802.80
  4. Step 4: Simplify right side
    11,343.20x = 98,796,151.68
  5. Step 5: Solve for x
    x = 98,796,151.68/11,343.20
  6. Step 6: Final answer
    x = 8,709.72

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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.