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Finding the Fourth Proportional to 9,667.96, 13,337.04 and 6,309.22

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Solution

The fourth proportional to 9,667.96, 13,337.04 and 6,309.22 is: 8,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,667.96 : 13,337.04 = 6,309.22 : x
  2. Step 2: Convert to fraction form
    9,667.96/13,337.04 = 6,309.22/x
  3. Step 3: Cross multiply
    9,667.96x = 13,337.04 × 6,309.22
  4. Step 4: Simplify right side
    9,667.96x = 84,146,319.51
  5. Step 5: Solve for x
    x = 84,146,319.51/9,667.96
  6. Step 6: Final answer
    x = 8,703.63

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Half scale
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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.