Home / 9,163.09-12,638.14-6,335.19

Finding the Fourth Proportional to 9,163.09, 12,638.14 and 6,335.19

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Solution

The fourth proportional to 9,163.09, 12,638.14 and 6,335.19 is: 8,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.09 : 12,638.14 = 6,335.19 : x
  2. Step 2: Convert to fraction form
    9,163.09/12,638.14 = 6,335.19/x
  3. Step 3: Cross multiply
    9,163.09x = 12,638.14 × 6,335.19
  4. Step 4: Simplify right side
    9,163.09x = 80,065,002.31
  5. Step 5: Solve for x
    x = 80,065,002.31/9,163.09
  6. Step 6: Final answer
    x = 8,737.78

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Half scale
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Double scale
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Similar ratio
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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.