Home / 12,548.54-17,318.52-7,243.35

Finding the Fourth Proportional to 12,548.54, 17,318.52 and 7,243.35

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Solution

The fourth proportional to 12,548.54, 17,318.52 and 7,243.35 is: 9,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.54 : 17,318.52 = 7,243.35 : x
  2. Step 2: Convert to fraction form
    12,548.54/17,318.52 = 7,243.35/x
  3. Step 3: Cross multiply
    12,548.54x = 17,318.52 × 7,243.35
  4. Step 4: Simplify right side
    12,548.54x = 125,444,101.84
  5. Step 5: Solve for x
    x = 125,444,101.84/12,548.54
  6. Step 6: Final answer
    x = 9,996.71

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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.