Home / 11,925.75-17,888.63-3,717.75

Finding the Fourth Proportional to 11,925.75, 17,888.63 and 3,717.75

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Solution

The fourth proportional to 11,925.75, 17,888.63 and 3,717.75 is: 5,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.75 : 17,888.63 = 3,717.75 : x
  2. Step 2: Convert to fraction form
    11,925.75/17,888.63 = 3,717.75/x
  3. Step 3: Cross multiply
    11,925.75x = 17,888.63 × 3,717.75
  4. Step 4: Simplify right side
    11,925.75x = 66,505,435.59
  5. Step 5: Solve for x
    x = 66,505,435.59/11,925.75
  6. Step 6: Final answer
    x = 5,576.63

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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.