Home / 11,990.52-16,549.38-8,008.56

Finding the Fourth Proportional to 11,990.52, 16,549.38 and 8,008.56

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Solution

The fourth proportional to 11,990.52, 16,549.38 and 8,008.56 is: 11,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.52 : 16,549.38 = 8,008.56 : x
  2. Step 2: Convert to fraction form
    11,990.52/16,549.38 = 8,008.56/x
  3. Step 3: Cross multiply
    11,990.52x = 16,549.38 × 8,008.56
  4. Step 4: Simplify right side
    11,990.52x = 132,536,702.69
  5. Step 5: Solve for x
    x = 132,536,702.69/11,990.52
  6. Step 6: Final answer
    x = 11,053.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.