Home / 11,590.56-17,390.16-6,976.80

Finding the Fourth Proportional to 11,590.56, 17,390.16 and 6,976.80

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Solution

The fourth proportional to 11,590.56, 17,390.16 and 6,976.80 is: 10,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.56 : 17,390.16 = 6,976.80 : x
  2. Step 2: Convert to fraction form
    11,590.56/17,390.16 = 6,976.80/x
  3. Step 3: Cross multiply
    11,590.56x = 17,390.16 × 6,976.80
  4. Step 4: Simplify right side
    11,590.56x = 121,327,668.29
  5. Step 5: Solve for x
    x = 121,327,668.29/11,590.56
  6. Step 6: Final answer
    x = 10,467.80

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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.