Home / 12,235.71-18,352.00-3,915.03

Finding the Fourth Proportional to 12,235.71, 18,352.00 and 3,915.03

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Solution

The fourth proportional to 12,235.71, 18,352.00 and 3,915.03 is: 5,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.71 : 18,352.00 = 3,915.03 : x
  2. Step 2: Convert to fraction form
    12,235.71/18,352.00 = 3,915.03/x
  3. Step 3: Cross multiply
    12,235.71x = 18,352.00 × 3,915.03
  4. Step 4: Simplify right side
    12,235.71x = 71,848,620.77
  5. Step 5: Solve for x
    x = 71,848,620.77/12,235.71
  6. Step 6: Final answer
    x = 5,872.04

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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.