Home / 8,738.20-12,059.78-4,962.55

Finding the Fourth Proportional to 8,738.20, 12,059.78 and 4,962.55

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Solution

The fourth proportional to 8,738.20, 12,059.78 and 4,962.55 is: 6,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.20 : 12,059.78 = 4,962.55 : x
  2. Step 2: Convert to fraction form
    8,738.20/12,059.78 = 4,962.55/x
  3. Step 3: Cross multiply
    8,738.20x = 12,059.78 × 4,962.55
  4. Step 4: Simplify right side
    8,738.20x = 59,847,261.24
  5. Step 5: Solve for x
    x = 59,847,261.24/8,738.20
  6. Step 6: Final answer
    x = 6,848.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.