Home / 12,397.30-17,108.33-6,732.09

Finding the Fourth Proportional to 12,397.30, 17,108.33 and 6,732.09

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Solution

The fourth proportional to 12,397.30, 17,108.33 and 6,732.09 is: 9,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.30 : 17,108.33 = 6,732.09 : x
  2. Step 2: Convert to fraction form
    12,397.30/17,108.33 = 6,732.09/x
  3. Step 3: Cross multiply
    12,397.30x = 17,108.33 × 6,732.09
  4. Step 4: Simplify right side
    12,397.30x = 115,174,783.65
  5. Step 5: Solve for x
    x = 115,174,783.65/12,397.30
  6. Step 6: Final answer
    x = 9,290.31

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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.