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Finding the Fourth Proportional to 11,510.88, 17,252.40 and 8,173.88

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Solution

The fourth proportional to 11,510.88, 17,252.40 and 8,173.88 is: 12,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.88 : 17,252.40 = 8,173.88 : x
  2. Step 2: Convert to fraction form
    11,510.88/17,252.40 = 8,173.88/x
  3. Step 3: Cross multiply
    11,510.88x = 17,252.40 × 8,173.88
  4. Step 4: Simplify right side
    11,510.88x = 141,019,047.31
  5. Step 5: Solve for x
    x = 141,019,047.31/11,510.88
  6. Step 6: Final answer
    x = 12,250.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.