Home / 8,409.05-11,604.48-4,874.31

Finding the Fourth Proportional to 8,409.05, 11,604.48 and 4,874.31

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Solution

The fourth proportional to 8,409.05, 11,604.48 and 4,874.31 is: 6,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.05 : 11,604.48 = 4,874.31 : x
  2. Step 2: Convert to fraction form
    8,409.05/11,604.48 = 4,874.31/x
  3. Step 3: Cross multiply
    8,409.05x = 11,604.48 × 4,874.31
  4. Step 4: Simplify right side
    8,409.05x = 56,563,832.91
  5. Step 5: Solve for x
    x = 56,563,832.91/8,409.05
  6. Step 6: Final answer
    x = 6,726.55

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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.