Home / 10,663.20-16,029.36-10,611.36

Finding the Fourth Proportional to 10,663.20, 16,029.36 and 10,611.36

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Solution

The fourth proportional to 10,663.20, 16,029.36 and 10,611.36 is: 15,951.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.20 : 16,029.36 = 10,611.36 : x
  2. Step 2: Convert to fraction form
    10,663.20/16,029.36 = 10,611.36/x
  3. Step 3: Cross multiply
    10,663.20x = 16,029.36 × 10,611.36
  4. Step 4: Simplify right side
    10,663.20x = 170,093,309.53
  5. Step 5: Solve for x
    x = 170,093,309.53/10,663.20
  6. Step 6: Final answer
    x = 15,951.43

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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.