Home / 12,503.08-18,748.36-3,735.64

Finding the Fourth Proportional to 12,503.08, 18,748.36 and 3,735.64

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Solution

The fourth proportional to 12,503.08, 18,748.36 and 3,735.64 is: 5,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.08 : 18,748.36 = 3,735.64 : x
  2. Step 2: Convert to fraction form
    12,503.08/18,748.36 = 3,735.64/x
  3. Step 3: Cross multiply
    12,503.08x = 18,748.36 × 3,735.64
  4. Step 4: Simplify right side
    12,503.08x = 70,037,123.55
  5. Step 5: Solve for x
    x = 70,037,123.55/12,503.08
  6. Step 6: Final answer
    x = 5,601.59

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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.