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Finding the Fourth Proportional to 9,354.38, 12,924.54 and 7,379.96

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Solution

The fourth proportional to 9,354.38, 12,924.54 and 7,379.96 is: 10,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.38 : 12,924.54 = 7,379.96 : x
  2. Step 2: Convert to fraction form
    9,354.38/12,924.54 = 7,379.96/x
  3. Step 3: Cross multiply
    9,354.38x = 12,924.54 × 7,379.96
  4. Step 4: Simplify right side
    9,354.38x = 95,382,588.22
  5. Step 5: Solve for x
    x = 95,382,588.22/9,354.38
  6. Step 6: Final answer
    x = 10,196.57

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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.