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Finding the Fourth Proportional to 7,897.70, 11,835.24 and 5,801.24

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Solution

The fourth proportional to 7,897.70, 11,835.24 and 5,801.24 is: 8,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.70 : 11,835.24 = 5,801.24 : x
  2. Step 2: Convert to fraction form
    7,897.70/11,835.24 = 5,801.24/x
  3. Step 3: Cross multiply
    7,897.70x = 11,835.24 × 5,801.24
  4. Step 4: Simplify right side
    7,897.70x = 68,659,067.70
  5. Step 5: Solve for x
    x = 68,659,067.70/7,897.70
  6. Step 6: Final answer
    x = 8,693.55

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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.