Home / 8,865.14-12,234.24-4,886.55

Finding the Fourth Proportional to 8,865.14, 12,234.24 and 4,886.55

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Solution

The fourth proportional to 8,865.14, 12,234.24 and 4,886.55 is: 6,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.14 : 12,234.24 = 4,886.55 : x
  2. Step 2: Convert to fraction form
    8,865.14/12,234.24 = 4,886.55/x
  3. Step 3: Cross multiply
    8,865.14x = 12,234.24 × 4,886.55
  4. Step 4: Simplify right side
    8,865.14x = 59,783,225.47
  5. Step 5: Solve for x
    x = 59,783,225.47/8,865.14
  6. Step 6: Final answer
    x = 6,743.63

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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.