Home / 12,654.36-17,457.66-8,463.96

Finding the Fourth Proportional to 12,654.36, 17,457.66 and 8,463.96

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Solution

The fourth proportional to 12,654.36, 17,457.66 and 8,463.96 is: 11,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654.36 : 17,457.66 = 8,463.96 : x
  2. Step 2: Convert to fraction form
    12,654.36/17,457.66 = 8,463.96/x
  3. Step 3: Cross multiply
    12,654.36x = 17,457.66 × 8,463.96
  4. Step 4: Simplify right side
    12,654.36x = 147,760,935.93
  5. Step 5: Solve for x
    x = 147,760,935.93/12,654.36
  6. Step 6: Final answer
    x = 11,676.68

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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.