Home / 11,490.52-17,192.28-6,813.04

Finding the Fourth Proportional to 11,490.52, 17,192.28 and 6,813.04

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Solution

The fourth proportional to 11,490.52, 17,192.28 and 6,813.04 is: 10,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.52 : 17,192.28 = 6,813.04 : x
  2. Step 2: Convert to fraction form
    11,490.52/17,192.28 = 6,813.04/x
  3. Step 3: Cross multiply
    11,490.52x = 17,192.28 × 6,813.04
  4. Step 4: Simplify right side
    11,490.52x = 117,131,691.33
  5. Step 5: Solve for x
    x = 117,131,691.33/11,490.52
  6. Step 6: Final answer
    x = 10,193.77

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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.