Home / 10,725.92-16,089.72-5,453.36

Finding the Fourth Proportional to 10,725.92, 16,089.72 and 5,453.36

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Solution

The fourth proportional to 10,725.92, 16,089.72 and 5,453.36 is: 8,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.92 : 16,089.72 = 5,453.36 : x
  2. Step 2: Convert to fraction form
    10,725.92/16,089.72 = 5,453.36/x
  3. Step 3: Cross multiply
    10,725.92x = 16,089.72 × 5,453.36
  4. Step 4: Simplify right side
    10,725.92x = 87,743,035.46
  5. Step 5: Solve for x
    x = 87,743,035.46/10,725.92
  6. Step 6: Final answer
    x = 8,180.47

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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.