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Finding the Fourth Proportional to 11,703.70, 17,512.41 and 7,026.55

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Solution

The fourth proportional to 11,703.70, 17,512.41 and 7,026.55 is: 10,513.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.70 : 17,512.41 = 7,026.55 : x
  2. Step 2: Convert to fraction form
    11,703.70/17,512.41 = 7,026.55/x
  3. Step 3: Cross multiply
    11,703.70x = 17,512.41 × 7,026.55
  4. Step 4: Simplify right side
    11,703.70x = 123,051,824.49
  5. Step 5: Solve for x
    x = 123,051,824.49/11,703.70
  6. Step 6: Final answer
    x = 10,513.93

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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.