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Finding the Fourth Proportional to 9,693.39, 13,379.04 and 6,155.94

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Solution

The fourth proportional to 9,693.39, 13,379.04 and 6,155.94 is: 8,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693.39 : 13,379.04 = 6,155.94 : x
  2. Step 2: Convert to fraction form
    9,693.39/13,379.04 = 6,155.94/x
  3. Step 3: Cross multiply
    9,693.39x = 13,379.04 × 6,155.94
  4. Step 4: Simplify right side
    9,693.39x = 82,360,567.50
  5. Step 5: Solve for x
    x = 82,360,567.50/9,693.39
  6. Step 6: Final answer
    x = 8,496.57

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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.