Home / 8,938.56-12,336.68-4,960.95

Finding the Fourth Proportional to 8,938.56, 12,336.68 and 4,960.95

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Solution

The fourth proportional to 8,938.56, 12,336.68 and 4,960.95 is: 6,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.56 : 12,336.68 = 4,960.95 : x
  2. Step 2: Convert to fraction form
    8,938.56/12,336.68 = 4,960.95/x
  3. Step 3: Cross multiply
    8,938.56x = 12,336.68 × 4,960.95
  4. Step 4: Simplify right side
    8,938.56x = 61,201,652.65
  5. Step 5: Solve for x
    x = 61,201,652.65/8,938.56
  6. Step 6: Final answer
    x = 6,846.93

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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.