Home / 12,227.26-16,868.58-7,443.36

Finding the Fourth Proportional to 12,227.26, 16,868.58 and 7,443.36

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Solution

The fourth proportional to 12,227.26, 16,868.58 and 7,443.36 is: 10,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.26 : 16,868.58 = 7,443.36 : x
  2. Step 2: Convert to fraction form
    12,227.26/16,868.58 = 7,443.36/x
  3. Step 3: Cross multiply
    12,227.26x = 16,868.58 × 7,443.36
  4. Step 4: Simplify right side
    12,227.26x = 125,558,913.63
  5. Step 5: Solve for x
    x = 125,558,913.63/12,227.26
  6. Step 6: Final answer
    x = 10,268.77

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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.