Home / 8,725.89-12,042.06-5,000.61

Finding the Fourth Proportional to 8,725.89, 12,042.06 and 5,000.61

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Solution

The fourth proportional to 8,725.89, 12,042.06 and 5,000.61 is: 6,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.89 : 12,042.06 = 5,000.61 : x
  2. Step 2: Convert to fraction form
    8,725.89/12,042.06 = 5,000.61/x
  3. Step 3: Cross multiply
    8,725.89x = 12,042.06 × 5,000.61
  4. Step 4: Simplify right side
    8,725.89x = 60,217,645.66
  5. Step 5: Solve for x
    x = 60,217,645.66/8,725.89
  6. Step 6: Final answer
    x = 6,901.03

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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.