Home / 11,125.76-16,683.24-4,109.08

Finding the Fourth Proportional to 11,125.76, 16,683.24 and 4,109.08

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Solution

The fourth proportional to 11,125.76, 16,683.24 and 4,109.08 is: 6,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.76 : 16,683.24 = 4,109.08 : x
  2. Step 2: Convert to fraction form
    11,125.76/16,683.24 = 4,109.08/x
  3. Step 3: Cross multiply
    11,125.76x = 16,683.24 × 4,109.08
  4. Step 4: Simplify right side
    11,125.76x = 68,552,684.40
  5. Step 5: Solve for x
    x = 68,552,684.40/11,125.76
  6. Step 6: Final answer
    x = 6,161.62

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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.