Home / 8,389.00-11,577.11-4,612.51

Finding the Fourth Proportional to 8,389.00, 11,577.11 and 4,612.51

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Solution

The fourth proportional to 8,389.00, 11,577.11 and 4,612.51 is: 6,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.00 : 11,577.11 = 4,612.51 : x
  2. Step 2: Convert to fraction form
    8,389.00/11,577.11 = 4,612.51/x
  3. Step 3: Cross multiply
    8,389.00x = 11,577.11 × 4,612.51
  4. Step 4: Simplify right side
    8,389.00x = 53,399,553.00
  5. Step 5: Solve for x
    x = 53,399,553.00/8,389.00
  6. Step 6: Final answer
    x = 6,365.42

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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.