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Finding the Fourth Proportional to 9,238.32, 12,751.92 and 7,353.36

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Solution

The fourth proportional to 9,238.32, 12,751.92 and 7,353.36 is: 10,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.32 : 12,751.92 = 7,353.36 : x
  2. Step 2: Convert to fraction form
    9,238.32/12,751.92 = 7,353.36/x
  3. Step 3: Cross multiply
    9,238.32x = 12,751.92 × 7,353.36
  4. Step 4: Simplify right side
    9,238.32x = 93,769,458.45
  5. Step 5: Solve for x
    x = 93,769,458.45/9,238.32
  6. Step 6: Final answer
    x = 10,150.06

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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.