Home / 11,744.61-16,108.32-11,109.16

Finding the Fourth Proportional to 11,744.61, 16,108.32 and 11,109.16

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Solution

The fourth proportional to 11,744.61, 16,108.32 and 11,109.16 is: 15,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.61 : 16,108.32 = 11,109.16 : x
  2. Step 2: Convert to fraction form
    11,744.61/16,108.32 = 11,109.16/x
  3. Step 3: Cross multiply
    11,744.61x = 16,108.32 × 11,109.16
  4. Step 4: Simplify right side
    11,744.61x = 178,949,904.21
  5. Step 5: Solve for x
    x = 178,949,904.21/11,744.61
  6. Step 6: Final answer
    x = 15,236.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.