Home / 8,151.14-12,228.57-2,957.01

Finding the Fourth Proportional to 8,151.14, 12,228.57 and 2,957.01

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Solution

The fourth proportional to 8,151.14, 12,228.57 and 2,957.01 is: 4,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.14 : 12,228.57 = 2,957.01 : x
  2. Step 2: Convert to fraction form
    8,151.14/12,228.57 = 2,957.01/x
  3. Step 3: Cross multiply
    8,151.14x = 12,228.57 × 2,957.01
  4. Step 4: Simplify right side
    8,151.14x = 36,160,003.78
  5. Step 5: Solve for x
    x = 36,160,003.78/8,151.14
  6. Step 6: Final answer
    x = 4,436.19

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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.