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Finding the Fourth Proportional to 11,307.94, 15,604.97 and 6,591.31

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Solution

The fourth proportional to 11,307.94, 15,604.97 and 6,591.31 is: 9,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.94 : 15,604.97 = 6,591.31 : x
  2. Step 2: Convert to fraction form
    11,307.94/15,604.97 = 6,591.31/x
  3. Step 3: Cross multiply
    11,307.94x = 15,604.97 × 6,591.31
  4. Step 4: Simplify right side
    11,307.94x = 102,857,122.84
  5. Step 5: Solve for x
    x = 102,857,122.84/11,307.94
  6. Step 6: Final answer
    x = 9,096.01

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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.