Home / 11,336.04-15,644.40-6,620.04

Finding the Fourth Proportional to 11,336.04, 15,644.40 and 6,620.04

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Solution

The fourth proportional to 11,336.04, 15,644.40 and 6,620.04 is: 9,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.04 : 15,644.40 = 6,620.04 : x
  2. Step 2: Convert to fraction form
    11,336.04/15,644.40 = 6,620.04/x
  3. Step 3: Cross multiply
    11,336.04x = 15,644.40 × 6,620.04
  4. Step 4: Simplify right side
    11,336.04x = 103,566,553.78
  5. Step 5: Solve for x
    x = 103,566,553.78/11,336.04
  6. Step 6: Final answer
    x = 9,136.04

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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.