Home / 10,980.46-16,487.09-10,816.44

Finding the Fourth Proportional to 10,980.46, 16,487.09 and 10,816.44

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Solution

The fourth proportional to 10,980.46, 16,487.09 and 10,816.44 is: 16,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.46 : 16,487.09 = 10,816.44 : x
  2. Step 2: Convert to fraction form
    10,980.46/16,487.09 = 10,816.44/x
  3. Step 3: Cross multiply
    10,980.46x = 16,487.09 × 10,816.44
  4. Step 4: Simplify right side
    10,980.46x = 178,331,619.76
  5. Step 5: Solve for x
    x = 178,331,619.76/10,980.46
  6. Step 6: Final answer
    x = 16,240.82

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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.