Home / 8,738.29-12,059.13-4,961.62

Finding the Fourth Proportional to 8,738.29, 12,059.13 and 4,961.62

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Solution

The fourth proportional to 8,738.29, 12,059.13 and 4,961.62 is: 6,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.29 : 12,059.13 = 4,961.62 : x
  2. Step 2: Convert to fraction form
    8,738.29/12,059.13 = 4,961.62/x
  3. Step 3: Cross multiply
    8,738.29x = 12,059.13 × 4,961.62
  4. Step 4: Simplify right side
    8,738.29x = 59,832,820.59
  5. Step 5: Solve for x
    x = 59,832,820.59/8,738.29
  6. Step 6: Final answer
    x = 6,847.20

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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.