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Finding the Fourth Proportional to 11,333.98, 15,635.87 and 7,553.46

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Solution

The fourth proportional to 11,333.98, 15,635.87 and 7,553.46 is: 10,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.98 : 15,635.87 = 7,553.46 : x
  2. Step 2: Convert to fraction form
    11,333.98/15,635.87 = 7,553.46/x
  3. Step 3: Cross multiply
    11,333.98x = 15,635.87 × 7,553.46
  4. Step 4: Simplify right side
    11,333.98x = 118,104,880.84
  5. Step 5: Solve for x
    x = 118,104,880.84/11,333.98
  6. Step 6: Final answer
    x = 10,420.43

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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.