Home / 8,175.60-12,269.58-5,990.02

Finding the Fourth Proportional to 8,175.60, 12,269.58 and 5,990.02

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Solution

The fourth proportional to 8,175.60, 12,269.58 and 5,990.02 is: 8,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.60 : 12,269.58 = 5,990.02 : x
  2. Step 2: Convert to fraction form
    8,175.60/12,269.58 = 5,990.02/x
  3. Step 3: Cross multiply
    8,175.60x = 12,269.58 × 5,990.02
  4. Step 4: Simplify right side
    8,175.60x = 73,495,029.59
  5. Step 5: Solve for x
    x = 73,495,029.59/8,175.60
  6. Step 6: Final answer
    x = 8,989.56

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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.