Home / 12,301.38-16,976.12-6,996.24

Finding the Fourth Proportional to 12,301.38, 16,976.12 and 6,996.24

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Solution

The fourth proportional to 12,301.38, 16,976.12 and 6,996.24 is: 9,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.38 : 16,976.12 = 6,996.24 : x
  2. Step 2: Convert to fraction form
    12,301.38/16,976.12 = 6,996.24/x
  3. Step 3: Cross multiply
    12,301.38x = 16,976.12 × 6,996.24
  4. Step 4: Simplify right side
    12,301.38x = 118,768,974.81
  5. Step 5: Solve for x
    x = 118,768,974.81/12,301.38
  6. Step 6: Final answer
    x = 9,654.93

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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.