Home / 12,091.87-18,142.46-4,701.53

Finding the Fourth Proportional to 12,091.87, 18,142.46 and 4,701.53

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Solution

The fourth proportional to 12,091.87, 18,142.46 and 4,701.53 is: 7,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.87 : 18,142.46 = 4,701.53 : x
  2. Step 2: Convert to fraction form
    12,091.87/18,142.46 = 4,701.53/x
  3. Step 3: Cross multiply
    12,091.87x = 18,142.46 × 4,701.53
  4. Step 4: Simplify right side
    12,091.87x = 85,297,319.96
  5. Step 5: Solve for x
    x = 85,297,319.96/12,091.87
  6. Step 6: Final answer
    x = 7,054.10

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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.