Home / 29,187.49-43,776.88-8,125.33

Finding the Fourth Proportional to 29,187.49, 43,776.88 and 8,125.33

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Solution

The fourth proportional to 29,187.49, 43,776.88 and 8,125.33 is: 12,186.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.49 : 43,776.88 = 8,125.33 : x
  2. Step 2: Convert to fraction form
    29,187.49/43,776.88 = 8,125.33/x
  3. Step 3: Cross multiply
    29,187.49x = 43,776.88 × 8,125.33
  4. Step 4: Simplify right side
    29,187.49x = 355,701,555.74
  5. Step 5: Solve for x
    x = 355,701,555.74/29,187.49
  6. Step 6: Final answer
    x = 12,186.78

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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.