Home / 11,512.53-17,261.40-7,559.12

Finding the Fourth Proportional to 11,512.53, 17,261.40 and 7,559.12

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Solution

The fourth proportional to 11,512.53, 17,261.40 and 7,559.12 is: 11,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.53 : 17,261.40 = 7,559.12 : x
  2. Step 2: Convert to fraction form
    11,512.53/17,261.40 = 7,559.12/x
  3. Step 3: Cross multiply
    11,512.53x = 17,261.40 × 7,559.12
  4. Step 4: Simplify right side
    11,512.53x = 130,480,993.97
  5. Step 5: Solve for x
    x = 130,480,993.97/11,512.53
  6. Step 6: Final answer
    x = 11,333.82

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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.