Home / 11,124.56-16,688.29-4,109.49

Finding the Fourth Proportional to 11,124.56, 16,688.29 and 4,109.49

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Solution

The fourth proportional to 11,124.56, 16,688.29 and 4,109.49 is: 6,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.56 : 16,688.29 = 4,109.49 : x
  2. Step 2: Convert to fraction form
    11,124.56/16,688.29 = 4,109.49/x
  3. Step 3: Cross multiply
    11,124.56x = 16,688.29 × 4,109.49
  4. Step 4: Simplify right side
    11,124.56x = 68,580,360.87
  5. Step 5: Solve for x
    x = 68,580,360.87/11,124.56
  6. Step 6: Final answer
    x = 6,164.77

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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.