Home / 8,633.24-12,961.70-4,476.12

Finding the Fourth Proportional to 8,633.24, 12,961.70 and 4,476.12

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Solution

The fourth proportional to 8,633.24, 12,961.70 and 4,476.12 is: 6,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.24 : 12,961.70 = 4,476.12 : x
  2. Step 2: Convert to fraction form
    8,633.24/12,961.70 = 4,476.12/x
  3. Step 3: Cross multiply
    8,633.24x = 12,961.70 × 4,476.12
  4. Step 4: Simplify right side
    8,633.24x = 58,018,124.60
  5. Step 5: Solve for x
    x = 58,018,124.60/8,633.24
  6. Step 6: Final answer
    x = 6,720.32

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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.