Home / 8,451.48-11,666.82-5,623.86

Finding the Fourth Proportional to 8,451.48, 11,666.82 and 5,623.86

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Solution

The fourth proportional to 8,451.48, 11,666.82 and 5,623.86 is: 7,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.48 : 11,666.82 = 5,623.86 : x
  2. Step 2: Convert to fraction form
    8,451.48/11,666.82 = 5,623.86/x
  3. Step 3: Cross multiply
    8,451.48x = 11,666.82 × 5,623.86
  4. Step 4: Simplify right side
    8,451.48x = 65,612,562.33
  5. Step 5: Solve for x
    x = 65,612,562.33/8,451.48
  6. Step 6: Final answer
    x = 7,763.44

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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.