Home / 11,721.32-17,590.62-6,176.36

Finding the Fourth Proportional to 11,721.32, 17,590.62 and 6,176.36

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Solution

The fourth proportional to 11,721.32, 17,590.62 and 6,176.36 is: 9,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.32 : 17,590.62 = 6,176.36 : x
  2. Step 2: Convert to fraction form
    11,721.32/17,590.62 = 6,176.36/x
  3. Step 3: Cross multiply
    11,721.32x = 17,590.62 × 6,176.36
  4. Step 4: Simplify right side
    11,721.32x = 108,646,001.74
  5. Step 5: Solve for x
    x = 108,646,001.74/11,721.32
  6. Step 6: Final answer
    x = 9,269.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.