Home / 12,192.48-16,826.40-7,476.12

Finding the Fourth Proportional to 12,192.48, 16,826.40 and 7,476.12

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Solution

The fourth proportional to 12,192.48, 16,826.40 and 7,476.12 is: 10,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.48 : 16,826.40 = 7,476.12 : x
  2. Step 2: Convert to fraction form
    12,192.48/16,826.40 = 7,476.12/x
  3. Step 3: Cross multiply
    12,192.48x = 16,826.40 × 7,476.12
  4. Step 4: Simplify right side
    12,192.48x = 125,796,185.57
  5. Step 5: Solve for x
    x = 125,796,185.57/12,192.48
  6. Step 6: Final answer
    x = 10,317.52

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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.