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Finding the Fourth Proportional to 12,232.34, 16,880.69 and 6,928.19

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Solution

The fourth proportional to 12,232.34, 16,880.69 and 6,928.19 is: 9,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.34 : 16,880.69 = 6,928.19 : x
  2. Step 2: Convert to fraction form
    12,232.34/16,880.69 = 6,928.19/x
  3. Step 3: Cross multiply
    12,232.34x = 16,880.69 × 6,928.19
  4. Step 4: Simplify right side
    12,232.34x = 116,952,508.61
  5. Step 5: Solve for x
    x = 116,952,508.61/12,232.34
  6. Step 6: Final answer
    x = 9,560.93

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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.