Home / 8,331.48-12,499.02-3,137.36

Finding the Fourth Proportional to 8,331.48, 12,499.02 and 3,137.36

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Solution

The fourth proportional to 8,331.48, 12,499.02 and 3,137.36 is: 4,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.48 : 12,499.02 = 3,137.36 : x
  2. Step 2: Convert to fraction form
    8,331.48/12,499.02 = 3,137.36/x
  3. Step 3: Cross multiply
    8,331.48x = 12,499.02 × 3,137.36
  4. Step 4: Simplify right side
    8,331.48x = 39,213,862.89
  5. Step 5: Solve for x
    x = 39,213,862.89/8,331.48
  6. Step 6: Final answer
    x = 4,706.71

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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.