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Finding the Fourth Proportional to 11,458.54, 17,186.01 and 7,014.68

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Solution

The fourth proportional to 11,458.54, 17,186.01 and 7,014.68 is: 10,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.54 : 17,186.01 = 7,014.68 : x
  2. Step 2: Convert to fraction form
    11,458.54/17,186.01 = 7,014.68/x
  3. Step 3: Cross multiply
    11,458.54x = 17,186.01 × 7,014.68
  4. Step 4: Simplify right side
    11,458.54x = 120,554,312.84
  5. Step 5: Solve for x
    x = 120,554,312.84/11,458.54
  6. Step 6: Final answer
    x = 10,520.91

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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.