Home / 11,505.75-17,248.32-4,109.15

Finding the Fourth Proportional to 11,505.75, 17,248.32 and 4,109.15

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Solution

The fourth proportional to 11,505.75, 17,248.32 and 4,109.15 is: 6,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.75 : 17,248.32 = 4,109.15 : x
  2. Step 2: Convert to fraction form
    11,505.75/17,248.32 = 4,109.15/x
  3. Step 3: Cross multiply
    11,505.75x = 17,248.32 × 4,109.15
  4. Step 4: Simplify right side
    11,505.75x = 70,875,847.89
  5. Step 5: Solve for x
    x = 70,875,847.89/11,505.75
  6. Step 6: Final answer
    x = 6,160.04

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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.