Home / 11,119.48-16,664.90-8,324.26

Finding the Fourth Proportional to 11,119.48, 16,664.90 and 8,324.26

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Solution

The fourth proportional to 11,119.48, 16,664.90 and 8,324.26 is: 12,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.48 : 16,664.90 = 8,324.26 : x
  2. Step 2: Convert to fraction form
    11,119.48/16,664.90 = 8,324.26/x
  3. Step 3: Cross multiply
    11,119.48x = 16,664.90 × 8,324.26
  4. Step 4: Simplify right side
    11,119.48x = 138,722,960.47
  5. Step 5: Solve for x
    x = 138,722,960.47/11,119.48
  6. Step 6: Final answer
    x = 12,475.67

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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.