Home / 12,192.30-16,826.41-6,888.09

Finding the Fourth Proportional to 12,192.30, 16,826.41 and 6,888.09

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Solution

The fourth proportional to 12,192.30, 16,826.41 and 6,888.09 is: 9,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.30 : 16,826.41 = 6,888.09 : x
  2. Step 2: Convert to fraction form
    12,192.30/16,826.41 = 6,888.09/x
  3. Step 3: Cross multiply
    12,192.30x = 16,826.41 × 6,888.09
  4. Step 4: Simplify right side
    12,192.30x = 115,901,826.46
  5. Step 5: Solve for x
    x = 115,901,826.46/12,192.30
  6. Step 6: Final answer
    x = 9,506.15

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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.