Home / 11,059.20-16,588.80-10,324.80

Finding the Fourth Proportional to 11,059.20, 16,588.80 and 10,324.80

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Solution

The fourth proportional to 11,059.20, 16,588.80 and 10,324.80 is: 15,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.20 : 16,588.80 = 10,324.80 : x
  2. Step 2: Convert to fraction form
    11,059.20/16,588.80 = 10,324.80/x
  3. Step 3: Cross multiply
    11,059.20x = 16,588.80 × 10,324.80
  4. Step 4: Simplify right side
    11,059.20x = 171,276,042.24
  5. Step 5: Solve for x
    x = 171,276,042.24/11,059.20
  6. Step 6: Final answer
    x = 15,487.20

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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.