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Finding the Fourth Proportional to 8,328.84, 11,497.50 and 6,339.48

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Solution

The fourth proportional to 8,328.84, 11,497.50 and 6,339.48 is: 8,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.84 : 11,497.50 = 6,339.48 : x
  2. Step 2: Convert to fraction form
    8,328.84/11,497.50 = 6,339.48/x
  3. Step 3: Cross multiply
    8,328.84x = 11,497.50 × 6,339.48
  4. Step 4: Simplify right side
    8,328.84x = 72,888,171.30
  5. Step 5: Solve for x
    x = 72,888,171.30/8,328.84
  6. Step 6: Final answer
    x = 8,751.30

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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.