Home / 11,324.72-15,627.59-6,289.26

Finding the Fourth Proportional to 11,324.72, 15,627.59 and 6,289.26

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Solution

The fourth proportional to 11,324.72, 15,627.59 and 6,289.26 is: 8,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.72 : 15,627.59 = 6,289.26 : x
  2. Step 2: Convert to fraction form
    11,324.72/15,627.59 = 6,289.26/x
  3. Step 3: Cross multiply
    11,324.72x = 15,627.59 × 6,289.26
  4. Step 4: Simplify right side
    11,324.72x = 98,285,976.68
  5. Step 5: Solve for x
    x = 98,285,976.68/11,324.72
  6. Step 6: Final answer
    x = 8,678.89

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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.