Home / 8,392.46-12,590.75-4,177.69

Finding the Fourth Proportional to 8,392.46, 12,590.75 and 4,177.69

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Solution

The fourth proportional to 8,392.46, 12,590.75 and 4,177.69 is: 6,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.46 : 12,590.75 = 4,177.69 : x
  2. Step 2: Convert to fraction form
    8,392.46/12,590.75 = 4,177.69/x
  3. Step 3: Cross multiply
    8,392.46x = 12,590.75 × 4,177.69
  4. Step 4: Simplify right side
    8,392.46x = 52,600,229.33
  5. Step 5: Solve for x
    x = 52,600,229.33/8,392.46
  6. Step 6: Final answer
    x = 6,267.56

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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.