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Finding the Fourth Proportional to 11,079, 16,694.93 and 10,038.96

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Solution

The fourth proportional to 11,079, 16,694.93 and 10,038.96 is: 15,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079 : 16,694.93 = 10,038.96 : x
  2. Step 2: Convert to fraction form
    11,079/16,694.93 = 10,038.96/x
  3. Step 3: Cross multiply
    11,079x = 16,694.93 × 10,038.96
  4. Step 4: Simplify right side
    11,079x = 167,599,759.57
  5. Step 5: Solve for x
    x = 167,599,759.57/11,079
  6. Step 6: Final answer
    x = 15,127.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.