Home / 12,252.15-16,908.09-6,663.15

Finding the Fourth Proportional to 12,252.15, 16,908.09 and 6,663.15

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Solution

The fourth proportional to 12,252.15, 16,908.09 and 6,663.15 is: 9,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.15 : 16,908.09 = 6,663.15 : x
  2. Step 2: Convert to fraction form
    12,252.15/16,908.09 = 6,663.15/x
  3. Step 3: Cross multiply
    12,252.15x = 16,908.09 × 6,663.15
  4. Step 4: Simplify right side
    12,252.15x = 112,661,139.88
  5. Step 5: Solve for x
    x = 112,661,139.88/12,252.15
  6. Step 6: Final answer
    x = 9,195.21

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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.