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Finding the Fourth Proportional to 11,745.52, 16,209.16 and 6,710.48

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Solution

The fourth proportional to 11,745.52, 16,209.16 and 6,710.48 is: 9,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.52 : 16,209.16 = 6,710.48 : x
  2. Step 2: Convert to fraction form
    11,745.52/16,209.16 = 6,710.48/x
  3. Step 3: Cross multiply
    11,745.52x = 16,209.16 × 6,710.48
  4. Step 4: Simplify right side
    11,745.52x = 108,771,244.00
  5. Step 5: Solve for x
    x = 108,771,244.00/11,745.52
  6. Step 6: Final answer
    x = 9,260.66

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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.