Home / 11,507.10-17,256.87-3,609.60

Finding the Fourth Proportional to 11,507.10, 17,256.87 and 3,609.60

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Solution

The fourth proportional to 11,507.10, 17,256.87 and 3,609.60 is: 5,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.10 : 17,256.87 = 3,609.60 : x
  2. Step 2: Convert to fraction form
    11,507.10/17,256.87 = 3,609.60/x
  3. Step 3: Cross multiply
    11,507.10x = 17,256.87 × 3,609.60
  4. Step 4: Simplify right side
    11,507.10x = 62,290,397.95
  5. Step 5: Solve for x
    x = 62,290,397.95/11,507.10
  6. Step 6: Final answer
    x = 5,413.21

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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.