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Finding the Fourth Proportional to 11,355.58, 15,669.61 and 8,373.03

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Solution

The fourth proportional to 11,355.58, 15,669.61 and 8,373.03 is: 11,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.58 : 15,669.61 = 8,373.03 : x
  2. Step 2: Convert to fraction form
    11,355.58/15,669.61 = 8,373.03/x
  3. Step 3: Cross multiply
    11,355.58x = 15,669.61 × 8,373.03
  4. Step 4: Simplify right side
    11,355.58x = 131,202,114.62
  5. Step 5: Solve for x
    x = 131,202,114.62/11,355.58
  6. Step 6: Final answer
    x = 11,553.98

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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.