Home / 11,011.35-15,195.68-5,975.58

Finding the Fourth Proportional to 11,011.35, 15,195.68 and 5,975.58

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Solution

The fourth proportional to 11,011.35, 15,195.68 and 5,975.58 is: 8,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.35 : 15,195.68 = 5,975.58 : x
  2. Step 2: Convert to fraction form
    11,011.35/15,195.68 = 5,975.58/x
  3. Step 3: Cross multiply
    11,011.35x = 15,195.68 × 5,975.58
  4. Step 4: Simplify right side
    11,011.35x = 90,802,971.62
  5. Step 5: Solve for x
    x = 90,802,971.62/11,011.35
  6. Step 6: Final answer
    x = 8,246.31

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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.