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Finding the Fourth Proportional to 9,793.61, 13,515.14 and 5,317.33

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Solution

The fourth proportional to 9,793.61, 13,515.14 and 5,317.33 is: 7,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.61 : 13,515.14 = 5,317.33 : x
  2. Step 2: Convert to fraction form
    9,793.61/13,515.14 = 5,317.33/x
  3. Step 3: Cross multiply
    9,793.61x = 13,515.14 × 5,317.33
  4. Step 4: Simplify right side
    9,793.61x = 71,864,438.88
  5. Step 5: Solve for x
    x = 71,864,438.88/9,793.61
  6. Step 6: Final answer
    x = 7,337.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.