Home / 29,176.50-43,761.08-8,118.12

Finding the Fourth Proportional to 29,176.50, 43,761.08 and 8,118.12

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Solution

The fourth proportional to 29,176.50, 43,761.08 and 8,118.12 is: 12,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,176.50 : 43,761.08 = 8,118.12 : x
  2. Step 2: Convert to fraction form
    29,176.50/43,761.08 = 8,118.12/x
  3. Step 3: Cross multiply
    29,176.50x = 43,761.08 × 8,118.12
  4. Step 4: Simplify right side
    29,176.50x = 355,257,698.77
  5. Step 5: Solve for x
    x = 355,257,698.77/29,176.50
  6. Step 6: Final answer
    x = 12,176.16

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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.