Home / 12,252.30-16,908.15-7,217.54

Finding the Fourth Proportional to 12,252.30, 16,908.15 and 7,217.54

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Solution

The fourth proportional to 12,252.30, 16,908.15 and 7,217.54 is: 9,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.30 : 16,908.15 = 7,217.54 : x
  2. Step 2: Convert to fraction form
    12,252.30/16,908.15 = 7,217.54/x
  3. Step 3: Cross multiply
    12,252.30x = 16,908.15 × 7,217.54
  4. Step 4: Simplify right side
    12,252.30x = 122,035,318.29
  5. Step 5: Solve for x
    x = 122,035,318.29/12,252.30
  6. Step 6: Final answer
    x = 9,960.20

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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.