Home / 8,495.02-12,740.29-3,157.73

Finding the Fourth Proportional to 8,495.02, 12,740.29 and 3,157.73

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Solution

The fourth proportional to 8,495.02, 12,740.29 and 3,157.73 is: 4,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.02 : 12,740.29 = 3,157.73 : x
  2. Step 2: Convert to fraction form
    8,495.02/12,740.29 = 3,157.73/x
  3. Step 3: Cross multiply
    8,495.02x = 12,740.29 × 3,157.73
  4. Step 4: Simplify right side
    8,495.02x = 40,230,395.94
  5. Step 5: Solve for x
    x = 40,230,395.94/8,495.02
  6. Step 6: Final answer
    x = 4,735.76

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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.