Home / 12,402.72-18,602.44-4,610.48

Finding the Fourth Proportional to 12,402.72, 18,602.44 and 4,610.48

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Solution

The fourth proportional to 12,402.72, 18,602.44 and 4,610.48 is: 6,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.72 : 18,602.44 = 4,610.48 : x
  2. Step 2: Convert to fraction form
    12,402.72/18,602.44 = 4,610.48/x
  3. Step 3: Cross multiply
    12,402.72x = 18,602.44 × 4,610.48
  4. Step 4: Simplify right side
    12,402.72x = 85,766,177.57
  5. Step 5: Solve for x
    x = 85,766,177.57/12,402.72
  6. Step 6: Final answer
    x = 6,915.11

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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.