Home / 8,153.14-12,231.57-2,959.01

Finding the Fourth Proportional to 8,153.14, 12,231.57 and 2,959.01

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Solution

The fourth proportional to 8,153.14, 12,231.57 and 2,959.01 is: 4,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.14 : 12,231.57 = 2,959.01 : x
  2. Step 2: Convert to fraction form
    8,153.14/12,231.57 = 2,959.01/x
  3. Step 3: Cross multiply
    8,153.14x = 12,231.57 × 2,959.01
  4. Step 4: Simplify right side
    8,153.14x = 36,193,337.95
  5. Step 5: Solve for x
    x = 36,193,337.95/8,153.14
  6. Step 6: Final answer
    x = 4,439.19

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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.