Home / 8,356.62-12,533.56-2,512.20

Finding the Fourth Proportional to 8,356.62, 12,533.56 and 2,512.20

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Solution

The fourth proportional to 8,356.62, 12,533.56 and 2,512.20 is: 3,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.62 : 12,533.56 = 2,512.20 : x
  2. Step 2: Convert to fraction form
    8,356.62/12,533.56 = 2,512.20/x
  3. Step 3: Cross multiply
    8,356.62x = 12,533.56 × 2,512.20
  4. Step 4: Simplify right side
    8,356.62x = 31,486,803.15
  5. Step 5: Solve for x
    x = 31,486,803.15/8,356.62
  6. Step 6: Final answer
    x = 3,767.89

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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.