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Finding the Fourth Proportional to 11,888.70, 17,835.87 and 4,097.34

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Solution

The fourth proportional to 11,888.70, 17,835.87 and 4,097.34 is: 6,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.70 : 17,835.87 = 4,097.34 : x
  2. Step 2: Convert to fraction form
    11,888.70/17,835.87 = 4,097.34/x
  3. Step 3: Cross multiply
    11,888.70x = 17,835.87 × 4,097.34
  4. Step 4: Simplify right side
    11,888.70x = 73,079,623.59
  5. Step 5: Solve for x
    x = 73,079,623.59/11,888.70
  6. Step 6: Final answer
    x = 6,146.98

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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.