Home / 11,120.76-16,683.81-3,725.25

Finding the Fourth Proportional to 11,120.76, 16,683.81 and 3,725.25

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Solution

The fourth proportional to 11,120.76, 16,683.81 and 3,725.25 is: 5,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.76 : 16,683.81 = 3,725.25 : x
  2. Step 2: Convert to fraction form
    11,120.76/16,683.81 = 3,725.25/x
  3. Step 3: Cross multiply
    11,120.76x = 16,683.81 × 3,725.25
  4. Step 4: Simplify right side
    11,120.76x = 62,151,363.20
  5. Step 5: Solve for x
    x = 62,151,363.20/11,120.76
  6. Step 6: Final answer
    x = 5,588.77

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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.