Home / 31,662.82-47,496.96-8,289.26

Finding the Fourth Proportional to 31,662.82, 47,496.96 and 8,289.26

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Solution

The fourth proportional to 31,662.82, 47,496.96 and 8,289.26 is: 12,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.82 : 47,496.96 = 8,289.26 : x
  2. Step 2: Convert to fraction form
    31,662.82/47,496.96 = 8,289.26/x
  3. Step 3: Cross multiply
    31,662.82x = 47,496.96 × 8,289.26
  4. Step 4: Simplify right side
    31,662.82x = 393,714,650.65
  5. Step 5: Solve for x
    x = 393,714,650.65/31,662.82
  6. Step 6: Final answer
    x = 12,434.60

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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.