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Finding the Fourth Proportional to 9,303.88, 12,836.16 and 5,323.54

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Solution

The fourth proportional to 9,303.88, 12,836.16 and 5,323.54 is: 7,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.88 : 12,836.16 = 5,323.54 : x
  2. Step 2: Convert to fraction form
    9,303.88/12,836.16 = 5,323.54/x
  3. Step 3: Cross multiply
    9,303.88x = 12,836.16 × 5,323.54
  4. Step 4: Simplify right side
    9,303.88x = 68,333,811.21
  5. Step 5: Solve for x
    x = 68,333,811.21/9,303.88
  6. Step 6: Final answer
    x = 7,344.66

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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.