Home / 12,383.28-17,095.56-9,544.43

Finding the Fourth Proportional to 12,383.28, 17,095.56 and 9,544.43

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Solution

The fourth proportional to 12,383.28, 17,095.56 and 9,544.43 is: 13,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.28 : 17,095.56 = 9,544.43 : x
  2. Step 2: Convert to fraction form
    12,383.28/17,095.56 = 9,544.43/x
  3. Step 3: Cross multiply
    12,383.28x = 17,095.56 × 9,544.43
  4. Step 4: Simplify right side
    12,383.28x = 163,167,382.68
  5. Step 5: Solve for x
    x = 163,167,382.68/12,383.28
  6. Step 6: Final answer
    x = 13,176.43

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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.