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Finding the Fourth Proportional to 9,153.39, 12,631.50 and 6,009.39

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Solution

The fourth proportional to 9,153.39, 12,631.50 and 6,009.39 is: 8,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.39 : 12,631.50 = 6,009.39 : x
  2. Step 2: Convert to fraction form
    9,153.39/12,631.50 = 6,009.39/x
  3. Step 3: Cross multiply
    9,153.39x = 12,631.50 × 6,009.39
  4. Step 4: Simplify right side
    9,153.39x = 75,907,609.79
  5. Step 5: Solve for x
    x = 75,907,609.79/9,153.39
  6. Step 6: Final answer
    x = 8,292.84

Related Problems

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Half scale
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Double 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.